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* In ''Anime/GundamBuildDivers'' episode 19, Rose of team Hyakki falls into this trope repeatedly. At the first checkpoint of the Nadeshiko-athlon, when asked to build a Gunpla to complete the checkpoint, she chooses a Master Grade Sazabi Ver. Ka., noted for its complexity, because it's one of her favorites and always wanted one. Emilia of team Avalon ''nearly'' falls for it as well with choosing the Master Grade G-Armor, but opts for the much faster Haropla build, which all the other racers choose. At the third checkpoint, Rose chooses a Neue Ziel to go up against Emilia's AGE-1 Titus. However, her match is a Puppet Sumo fight and because her Gunpla has no legs, large shoulders and a massive binder tail, her Gunpla falls over, allowing everyone to beat her. The final choice has her deciding that the wrecked vehicles meant that everyone should use their Gunpla to win the race, which ends up [[spoiler:nearly disqualifying everyone.]]


* ''Fanfic/FateHaremAntics'': Because Irisviel [[IWantGrandkids wants Shirou to give her lots of grandkids]], she messes with the Holy Grail War system from beyond the grave so that every Servant and Master (besides Shirou) is female so that they will all eventually join Shirou's harem. One of them is [[PoisonousPerson Hassan of Serenity]], who is so poisonous that she kills her original summoner Zouken when he tries to slap her and then gets Ayako to be her new Master. Just as she is congratulating herself on her plan to get rid of Zouken and get Ayako involved, Kiritsugu points out that if Serenity is that poisonous, then Shirou would get killed if he tried to sleep with her. Irisviel quickly rectifies this by getting Caren to summon Shielder, who can make herself and her allies immune to poison. This then causes another problem because she had to mess with the summon limits to allow Shielder to be summoned and forgot to set them back. Ruler gets summoned because of the rule violation and people hear about the extra summon and decide to try their own summons. Irisviel has to frantically make sure all the new Servants and Masters are female.
* ''[[https://www.fanfiction.net/s/10271976/5/A-DIC-less-SI A DIC-less SI]]'': Nabiki Tendo tries to take a magical empathy granting ring from Kasumi, all while claiming she's just trying to protect her family, while the latter is wearing said ring. Kasumi lampshades that she can tell that Nabiki doesn't believe a word of what she's saying and just wants the ring.

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* ''Fanfic/FateHaremAntics'': ''Fanfic/FateHaremAntics'':
**
Because Irisviel [[IWantGrandkids wants Shirou to give her lots of grandkids]], she messes with the Holy Grail War system from beyond the grave so that every Servant and Master (besides Shirou) is female so that they will all eventually join Shirou's harem. One of them is [[PoisonousPerson Hassan of Serenity]], who is so poisonous that she kills her original summoner Zouken when he tries to slap her and then gets Ayako to be her new Master. Just as she is congratulating herself on her plan to get rid of Zouken and get Ayako involved, Kiritsugu points out that if Serenity is that poisonous, then Shirou would get killed if he tried to sleep with her. Irisviel quickly rectifies this by getting Caren to summon Shielder, who can make herself and her allies immune to poison. This then causes another problem because she had to mess with the summon limits to allow Shielder to be summoned and forgot to set them back. Ruler gets summoned because of the rule violation and people hear about the extra summon and decide to try their own summons. Irisviel has to frantically make sure all the new Servants and Masters are female.
** Kiritsugu did not tell Shirou that he had a sister named Illya because he did not want to burden Shirou with more SurvivorsGuilt (Kiritsugu had been separated from Illya and decided to raise Shirou). When they later meet, Illya gets homicidally angry that her brother did not know she existed and attacks. Kiritsugu admits he dropped the ball on that one.
* ''[[https://www.fanfiction.net/s/10271976/5/A-DIC-less-SI A DIC-less SI]]'': SI]]'':
**
Nabiki Tendo tries to take a magical empathy granting ring from Kasumi, all while claiming she's just trying to protect her family, while the latter is wearing said ring. Kasumi lampshades that she can tell that Nabiki doesn't believe a word of what she's saying and just wants the ring.



* In the [[https://tvtropes.org/pmwiki/pmwiki.php/Literature/Worm Worm]] fanfic ''[[https://www.fanfiction.net/s/10894754/1/Trump-Card Trump Card]]'', the Empire Eighty-Eight kidnap [[spoiler: Taylor Hebert]] to use as bait for the new cape [[ExactlyWhatItSaysOnTheTin Hax]], who's given them some trouble. To ensure that Hax doesn't simply teleport away with their hostage, they surround her with their capes. [[spoiler: What they don't know is that Taylor not only ''is'' Hax, but her power is to copy the powers of nearby capes ...]]

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* In the [[https://tvtropes.org/pmwiki/pmwiki.php/Literature/Worm Worm]] ''Literature/{{Worm}}'' fanfic ''[[https://www.fanfiction.net/s/10894754/1/Trump-Card Trump Card]]'', the Empire Eighty-Eight kidnap [[spoiler: Taylor Hebert]] to use as bait for the new cape [[ExactlyWhatItSaysOnTheTin Hax]], who's given them some trouble. To ensure that Hax doesn't simply teleport away with their hostage, they surround her with their capes. [[spoiler: What they don't know is that Taylor not only ''is'' Hax, but her power is to copy the powers of nearby capes ...]]


* ''Comicbook/{{Supergirl}}'': Some of her adventures provide good examples:

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* ''Comicbook/{{Supergirl}}'': Comicbook/{{Supergirl}}: Some of her adventures provide good examples:


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[[folder:Radio]]
* ''Radio/BleakExpectations:'' This trope describes many of [[BunglingInventor Harry Biscuit's]] ideas, and Pip Bin's. The fact the two live long enough to reach adulthood is astounding. At one point, the latter falls foul of Admiral Hardthrasher, when Pip lets loose he's responsible for the death of the admiral's brothers - specifically the ones he ''liked''. In order to defend himself, Pip sets Hardthrasher on fire and sinks his ships... despite not knowing how to swim. And the ships are out at sea. This prompts Pip, in a ''very'' rare moment of self-awareness to admit he hadn't thought this through.

[[/folder]]


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** Peebee's Loyalty Mission wouldn't happen without this. There's a doohickey on a planet Peebee's found, but the problem is the ''Tempest'' can't land because it's a volcanic planet and there is nowhere to land. So she tricks Ryder and the other squadmate into the ship's escape pod and fires it at the surface. Once there, she has to admit she's got no plan for getting off-planet again. [[spoiler:If her ex hadn't followed them with her own shuttle, they'd never have been able to.]]

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* [[OriginalCharacter Arjuna Belaji]] in ''[[https://archiveofourown.org/works/12805206/chapters/30454362 Harry Potter and the Lack of Lamb Sauce]]'' tries to cheat during the MagicChef competition by switching hers and Millicent's meat pies because cooking beef goes against her religion and she figured that since it wouldn't benefit either, it wouldn't count as cheating. The judges calmly explain that she could have either explained beforehand and asked for a different ingredient, or made something else and explained why afterwards. Regardless of her intentions, she's disqualified from the competition for cheating.


* The 1961 ''WesternAnimation/MightyMouse'' cartoon "Cat Alarm" has the underground cats staging an emergency news bulletin that the Cheeseville Dam has burst, sending Mighty Mouse into town and ushering the mice population out of the city. The cats send the mice into a "shelter" (actually their hideout), but they did not count on Mighty Mouse rushing to save the dam and seeing that it was still intact. Cue face-off with and beatdown of the cats.

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* ''WesternAnimation/MightyMouse'':
**
The 1961 ''WesternAnimation/MightyMouse'' cartoon "Cat Alarm" has the underground cats staging an emergency news bulletin that the Cheeseville Dam has burst, sending Mighty Mouse into town and ushering the mice population out of the city. The cats send the mice into a "shelter" (actually their hideout), but they did not count on Mighty Mouse rushing to save the dam and seeing that it was still intact. Cue face-off with and beatdown of the cats.cats.
** Another instance of failure to think things through happens in ''Mighty Mouse: The New Adventures'' in the episode "Heroes and Zeroes", where the villain Big Murray attempts to steal all the numbers in Mouseville and hold them for ransom. The problem with this scheme is that without numbers, no one is able to tell if they have enough money to pay Big Murray's ransom.


** In the season 8 finale (JD's last day), Sunny helps trick Dr. Cox into admitting that he thinks JD is an exceptional person--within earshot of JD. Once Cox is done [[GaggingOnYourWords gagging]], he has this to say:

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** In the season 8 finale (JD's last day), Sunny helps JD trick Dr. Cox into [[EngineeredPublicConfession admitting that he thinks JD is an exceptional person--within earshot of JD. doctor and person while JD is secretly listening]]. Once Cox is done [[GaggingOnYourWords gagging]], gets over the initial shock of being tricked and JD leaves, he has this to say:say to Sunny:



** Topped when he tells Elaine a story about how he was going to return a pair of pants he had borrowed to a friend. On the way, he slipped and fell in mud, ruining the pants he had intended to return. When Elaine confirms that he was wearing the pants he planned to return, [[FridgeLogic she asks the obvious question of what he would have done had he successfully returned the pants and been left without anything to wear]]. His response? [[InsaneTrollLogic He never got that far, so it doesn't matter]].

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** Topped when he tells Elaine a story about how he was going to return a pair of pants he had borrowed bought to a friend.the store. On the way, he slipped and fell in mud, ruining the pants he had intended to return. When Elaine confirms that he was wearing was, in fact, ''wearing'' the pants he planned had intended to return, [[FridgeLogic she asks the obvious question of what the hell he would have done was going to wear on the way]] ''[[FridgeLogic back]]'' [[FridgeLogic from the store had he successfully returned the pants and been left without anything to wear]].pants]]. His response? [[InsaneTrollLogic He never got that far, so it doesn't matter]].


** In Volume 5's finale, Raven explains to Yang her plan to protect herself from Salem by stealing the Relic of Knowledge and keeping it with her tribe. Yang points out how stupid that plan is, as it wouldn't make her a smaller target, but a ''bigger'' one.

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** In Volume 5's finale, Raven explains planned to Yang her plan to protect herself from Salem by stealing [[spoiler: steal the Relic of Knowledge and keeping it with Knowledge]] to keep Salem away from her tribe. Yang Yang, however, points out how stupid that plan is, as it wouldn't make [[spoiler: if Salem was willing to pursue her a smaller target, when she thought Raven was only harboring the Spring Maiden, then she would definitely hunt her with everything she has upon learning that Raven not only is the Spring Maiden, but a ''bigger'' one.is also carrying one of the Relics she's after.]] Raven's shocked to discover that she didn't exactly consider the implications.


* In one episode of ''Series/ThirtyRock'', Kenneth pitches an idea for a game show he had to Jack: a show like ''Series/DealOrNoDeal'' where the contestants must find out which briefcase has a million dollars of gold inside. While filming it, the contestants only need to look for which model is having difficulty holding her briefcase. The show is then quickly canned. Kenneth even lampshades it:
-->"Ooooh, gold's real heavy, innit?"
* In ''Series/TheAdventuresOfTimmyTheTooth'' episode "Molar Island", the Gingivitis Gang, Flossmore Valley's resident [[Series/MightyMorphinPowerRangers Bulk & Skull]] [[note]]to the Cavity Goon's Rita Repulsa or Lord Zedd.[[/note]], are depicted on Timmy's dream vacation at the titular island as the cannibalistic Gingivitis Tribe who steal the crown of Moral Island's King Tooth. When they capture Timmy and Brushbrush intended to cook and eat them, Timmy points out that stealing that Crown is causing the island to sink and they'll all sink with it. The Gingivitis Tribe agree to put aside their differences and help the other residents of Molar Island (Timmy's friends in the real world) return the Crown to the King, saving the island.



* ''Series/ArrestedDevelopment'': Gob comes up with a magic performance in "Key Decisions" where he is locked up in the same prison where his father is doing time and escapes. His plan is to swallow the key to the cell, pass it, and unlock the cell door. When it comes time to do so...
-->'''Gob:''' Hey, Dad. Is there, like, a private bathroom I can use?\\
'''George:''' Um... ''[taps the in-cell toilet with his foot]'' You're looking at it.\\
'''Gob:''' No, no. I can't use that. I, uh, I need privacy. Yeah, I've always been that way.\\
''(George gives him an "I'm serious" look)''\\
'''Gob:''' Come on, dad! If I'm gonna pass this key, I can't do it in front of all these other guys!\\
'''George:''' Well, we could ask them all to leave but, um, there's this thing. They've been locking the doors lately, so...\\
'''Gob:''' [[CatchPhrase I've made a huge mistake]].
* In ''Series/{{Backstage}}'', Kit has a ''Series/HannahMontana''-esque SecretIdentity called [[spoiler: DJ Diamondmind]] whose tracks are renowned. She used her alter-ego's tracks to audition for Keaton School for the Arts; when this gets out, RealityEnsues: She finds herself accused of plagiarism and faces expulsion (it works out, but it's still a pretty big oversight).
* Subverted but then played straight on ''Series/BetterCallSaul''. Tuco is a very intelligent drug lord who does show some patience in his dealings and is careful thinking things out. However, he quickly realizes his big mistake is assuming that everyone working for him can also see the big picture and won't, say, try to kill a rival without clearing it with him first or bother covering up any of the evidence of their involvement. Tuco soon realizes most crooks are in fact stupid and impulsive to not realize the consequences of just shooting a guy.
* ''Series/TheBigBangTheory'' shows [[OnlySaneMan Leonard]] trying to slip out to meet his then-girlfriend and getting [[CannotTellALie Sheldon]] to cover for him. Given that Sheldon cannot do this convincingly, Leonard almost immediately wonders why he didn't think this through.(Specifically, if he knows that Sheldon can't lie convincingly, why didn't he just lie to Sheldon too?)
* An episode of ''Series/BlakesSeven'' [[PlayedForLaughs plays this for laughs]] with its [[JustifiedTrope justification]]: when Vila asks Tarrant if he can actually dock their tiny ship into the ''[[CoolShip Liberator]]'' that they have just reclaimed from [[BigBad Servalan]], the following exchange occurs. (Incidentally, it's just a throwaway gag, since the very next scene has them already back on the ''Liberator'' safely.)
-->'''Tarrant:''' I hadn't really considered it.\\
'''Vila:''' What?\\
'''Tarrant:''' I thought we'd be dead by now.
* A tragic example from near the end of ''Series/BreakingBad'': [[spoiler:after Hank dies, Walt becomes completely alienated from his family. After kidnapping Holly, Walt places a call to his house, knowing the police would be listening in on it, and plays himself up as a cruel druglord who terrorized Skyler into helping him in his meth-cooking business, rather than Skyler being a willing participant. While it works, however, Saul explains that with Walt in the wind, Skyler didn't have anything of value to give to the police, and as such, she was still very much on the hook for his crimes.]]
** Off of that, Saul notes that [[spoiler: when it gets out she was married to a drug lord, Skylar will have an impossible time finding a job and providing for their son. When Walt says he has millions of dollars to give them, Saul snaps that the Feds are now watching and there's no way Walt can ever get that money to them without it being seized. By the stunned look on his face, it's obvious Walt is realizing for the first time how badly he's messed things up.]]
* ''Series/BuffyTheVampireSlayer'':
** In the final episodes of Season 4, Spike schemes to break up the Scoobies by exploiting the existing tensions between the group, and then planting evidence to lure Buffy into a trap as part of Adam's plan. However, after all is said and done, Adam points out that Spike gave Willow said evidence, and Willow won't be speaking to Buffy now; Spike quickly goes out to rectify it.
*** Amusingly enough, the WRITERS didn't think it through either: by their own admission, they didn't realize the flaw in Spike's plan until they'd moved on to writing the next episode.
** Apparently, when she had Willow activate all Slayers worldwide, it never occurred to Buffy at that moment that [[BewareTheSuperman not all of the newly empowered Slayers would be willing to use their powers for good]], with one Slayer in particular, Simone Doffler, becoming a terrorist and obsessed with killing her, and another Slayer, Dana, having been driven AxeCrazy thanks to a psychopath kidnapping and [[BeingTorturedMakesYouEvil torturing her]] as a child.
* ''Series/{{Charmed}}'': When Chris asks Phoebe for help getting Piper and Leo back together in time for his conception (Chris is Piper and Leo's KidFromTheFuture), Phoebe points out that Chris is the one who separated Piper and Leo in the first place. Phoebe insists it's not her fault that Chris didn't think things through, though she does eventually agree to help him.
* ''Series/DoctorWho'':
** [[Recap/DoctorWhoS27E5WorldWarThree "World War Three"]]: The Slitheen get into 10 Downing Street and chase the Ninth Doctor, Rose, and Harriet Jones. The Doctor activates a defense mechanism that means there is 3 inches of thick metal between them and the Slitheen or any way of escape.
--->'''The Doctor:''' They'll never get in.\\
'''Rose:''' But how do we get out?\\
'''The Doctor:''' ...Ah.
** Series 9 finale [[Recap/DoctorWhoS35E12HellBent "Hell Bent"]] has a justified example with the Doctor's DrivenToMadness plan to [[spoiler:save Clara from her already-happened death]], which falls apart over 1) him basically '''hoping''' it doesn't destroy the universe and 2) [[spoiler:Clara's own objections to it, especially when she realizes he'll take away her memories of their time together and leave her with an ordinary Earthly life]].
* In the ''Series/EnemyAtTheDoor'' episode "Jealousy", a woman anonymously denounces her sister-in-law to the German police as a black marketeer, justifying it to herself as saving her brother from a woman who (in her opinion) doesn't deserve him. The Germans confiscate the entire family's papers as part of the investigation, discover an irregularity in the brother's birth certificate, and deport him. Any consolation the sister might have got from having at least succeeded in separating him from his wife is lost when the Germans decide at the last minute to deport his wife along with him.
* In ''[[Series/TheFlash2014 The Flash]]'' Sisko, HR, and Julian hide from [[spoiler:Caitlin/Killer Frost]] by locking themselves behind a containment door. Forgetting that [[spoiler:she still has all her access codes, which she points out after opening the door]].
* ''Series/{{Friends}}'': Chandler finally gets tired of all the things he has to do for his company while working in Oklahoma, so he quits. When Phoebe asks him what he's going to do now, he says the trope by name.



----> '''Tyrion:''' Flee, you idiot.

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----> '''Tyrion:''' ---->'''Tyrion:''' Flee, you idiot.



* Subverted but then played straight on ''Series/BetterCallSaul''. Tuco is a very intelligent drug lord who does show some patience in his dealings and is careful thinking things out. However, he quickly realizes his big mistake is assuming that everyone working for him can also see the big picture and won't, say, try to kill a rival without clearing it with him first or bother covering up any of the evidence of their involvement. Tuco soon realizes most crooks are in fact stupid and impulsive to not realize the consequences of just shooting a guy.
* In ''Series/TheWire'', Detective [=McNulty=]'s cunning plan to fake a serial killer in order to get money for an investigation into a murderous drug crew becomes a textbook example of this. Although command showers him with resources, people gradually get wind that he's giving overtime out to people for different cases, so he ends up getting blackmailed into giving people overtime to go and play golf in Florida. Because the eventual bill runs into the millions, [=McNulty=] makes himself liable for not only firing, but serious jail time. Because the case becomes a political football, he ends up having to bullshit the entire police command staff and all of city hall. And because [=McNulty=] hadn't thought what he'd do when the drug crew were busted, leaving him with a non-existent "serial killer" to catch, he ends up having to find a way to de-escalate the thing rapidly. For a while, you think he'll manage to stay on top of things. [[spoiler:He doesn't. The wheels come off. Spectacularly]].
* An episode of ''Series/BlakesSeven'' [[PlayedForLaughs plays this for laughs]] with its [[JustifiedTrope justification]]: when Vila asks Tarrant if he can actually dock their tiny ship into the ''[[CoolShip Liberator]]'' that they have just reclaimed from [[BigBad Servalan]], the following exchange occurs. (Incidentally, it's just a throwaway gag, since the very next scene has them already back on the ''Liberator'' safely.)
-->'''Tarrant:''' I hadn't really considered it.\\
'''Vila:''' What?\\
'''Tarrant:''' I thought we'd be dead by now.
* ''Series/BuffyTheVampireSlayer'':
** In the final episodes of Season 4, Spike schemes to break up the Scoobies by exploiting the existing tensions between the group, and then planting evidence to lure Buffy into a trap as part of Adam's plan. However, after all is said and done, Adam points out that Spike gave Willow said evidence, and Willow won't be speaking to Buffy now; Spike quickly goes out to rectify it.
*** Amusingly enough, the WRITERS didn't think it through either: by their own admission, they didn't realize the flaw in Spike's plan until they'd moved on to writing the next episode.
** Apparently, when she had Willow activate all Slayers worldwide, it never occurred to Buffy at that moment that [[BewareTheSuperman not all of the newly empowered Slayers would be willing to use their powers for good]], with one Slayer in particular, Simone Doffler, becoming a terrorist and obsessed with killing her, and another Slayer, Dana, having been driven AxCrazy thanks to a psychopath kidnapping and [[BeingTorturedMakesYouEvil torturing her]] as a child.
* In the ''Series/DoctorWho'' episode "World War Three", the Slitheen get into 10 Downing Street and chase the Ninth Doctor, Rose, and Harriet Jones. The Doctor activates a defense mechanism that means there is 3 inches of thick metal between them and the Slitheen--or any way of escape.
-->'''The Doctor:''' They'll never get in.\\
'''Rose:''' But how do we get out?\\
'''The Doctor:''' ...Ah.
** The Series 9 finale "Hell Bent" has a justified example with the Doctor's DrivenToMadness plan to [[spoiler: save Clara from her already-happened death]], which falls apart over 1) him basically '''hoping''' it doesn't destroy the universe and 2) [[spoiler: Clara's own objections to it, especially when she realizes he'll take away her memories of their time together and leave her with an ordinary Earthly life]].

to:

* Subverted but then played straight on ''Series/BetterCallSaul''. Tuco is a very intelligent drug lord who does ''Series/HannahMontana'': Miley fails her driving test and doesn't want to wait for two weeks as required by [=DMV=] regulations before retaking the test, so she takes it as her alter ego. It doesn't occur to her that ''Miley'' can't use ''Hannah's'' license until she has to show some patience in his dealings it to a cop.
* ''Series/HappyDays'' - Richie is antagonized by a bully - he asks Fonzie for advice, who tells him to stand up to the bully
and is careful thinking things out. However, he'll back down. Richie stands up to the bully - he quickly realizes his big mistake is assuming doesn't back down. Richie asks what's gone wrong, and Fonzie adds that everyone working for him can also see this to work he needed to have beaten somebody up before and have a reputation - Richie hisses "That's a ''big'' thing to leave out!!"
* The "Enjoy
the big picture and won't, say, try to kill a rival without clearing it with him first or bother covering up any of the evidence of their involvement. Tuco soon realizes most crooks are Ride" story line in fact stupid and impulsive to not realize the consequences of just shooting ''Series/{{Hollyoaks}}'' has a guy.
* In ''Series/TheWire'', Detective [=McNulty=]'s cunning plan to fake a serial killer in order to get money for an investigation into a murderous drug crew becomes a textbook
tragic example of this. Although command showers him Jono and Ruby reunite after splitting up, but Jono is about to be deployed with resources, people gradually the army. They decide to [[{{Elopement}} elope to Gretna Green]] so Ruby will be allowed to live with Jono at the barracks. Ruby's family panic when they discover she's gone but, as her foster dad points out, Ruby and Jono will not be able to get wind that he's giving overtime out married even if they reach Gretna Green - they haven't given the appropriate notice to people for different cases, so he ends up getting blackmailed into giving people overtime to go get a marriage licence. Ruby and play golf in Florida. Because the eventual bill runs into the millions, [=McNulty=] makes himself liable for not only firing, but serious jail time. Because the case becomes a political football, he ends up having to bullshit the entire police command staff and all of city hall. And because [=McNulty=] Jono hadn't even thought what he'd do when the drug crew were busted, leaving him with about this, and steal a non-existent "serial killer" minibus to catch, he ends up having to find a way to de-escalate the thing rapidly. For a while, you think he'll manage to stay on top of things. [[spoiler:He doesn't. The wheels come off. Spectacularly]].
* An episode of ''Series/BlakesSeven'' [[PlayedForLaughs plays this for laughs]] with its [[JustifiedTrope justification]]: when Vila asks Tarrant if he can actually dock
drive themselves and their tiny ship into the ''[[CoolShip Liberator]]'' friends to Gretna Green; which causes a crash that they have just reclaimed from [[BigBad Servalan]], the following exchange occurs. (Incidentally, it's just a throwaway gag, since the very next scene has them already back on the ''Liberator'' safely.)
-->'''Tarrant:''' I hadn't really considered it.\\
'''Vila:''' What?\\
'''Tarrant:''' I thought we'd be dead by now.
kills four people, including Jono.
* ''Series/BuffyTheVampireSlayer'':
**
In the final episodes Season 3 finale of ''Series/{{iZombie}}'', [[spoiler:Chase Graves gets hundreds, of not thousands of people in Seattle infected with the zombie virus, afterwards announcing their existence to the entire country, blackmailing the US government into supplying them the brains, lest hungry zombies spread out from Seattle]]. After a 3-4 month TimeSkip and the start of Season 4, Spike schemes to break up the Scoobies by exploiting the existing tensions between the group, and then planting evidence to lure Buffy into a trap as part of Adam's plan. However, after all is said and done, Adam points we find out that Spike gave Willow said evidence, [[spoiler:the government has walled off the city and Willow won't be speaking to Buffy now; Spike quickly goes out to rectify it.
*** Amusingly enough,
is using the WRITERS didn't think it through either: by their own admission, they didn't realize national guard to patrol outside the flaw in Spike's plan until they'd moved on walls, thus cutting off Chase's access to writing the next episode.
** Apparently, when she had Willow activate all Slayers worldwide, it never occurred to Buffy at that moment that [[BewareTheSuperman not all of the newly empowered Slayers would be willing to use their powers for good]], with one Slayer in particular, Simone Doffler, becoming a terrorist and obsessed with killing her, and another Slayer, Dana, having been driven AxCrazy thanks to a psychopath kidnapping and [[BeingTorturedMakesYouEvil torturing her]] as a child.
* In the ''Series/DoctorWho'' episode "World War Three", the Slitheen get into 10 Downing Street and chase the Ninth Doctor, Rose, and Harriet Jones. The Doctor activates a defense mechanism that means there is 3 inches of thick metal between them
brains and the Slitheen--or any way rest of escape.
-->'''The Doctor:''' They'll never get in.\\
'''Rose:''' But how do we get out?\\
'''The Doctor:''' ...Ah.
** The Series 9 finale "Hell Bent" has a justified example with
the Doctor's DrivenToMadness plan to country]]. In fact, [[spoiler:Chase knows that the only thing that keeps the government from employing the NuclearOption is the presence of humans in the city, hence the penalty of death for a zombie scratching or attacking a human]]. Openly lampshaded by people like Blaine noting that maybe [[spoiler: save Clara from her already-happened death]], which falls apart over 1) him basically '''hoping''' it doesn't destroy Chase should have taken the universe possibility of the government not giving the walking dead equal rights before he went ahead and 2) [[spoiler: Clara's own objections exposed zombies to it, especially when she realizes he'll take away her memories of their time together and leave her with an ordinary Earthly life]].the world.]]



* In a ''Series/SavedByTheBell'' episode, Zack has detention on the day of a trivia contest for a trip to Hawaii. He sends Screech in his place, who comes back to ask him a question. Mr. Belding explains only those in detention can talk to others there, so Screech purposely gets in trouble. When he sits down, Zack tells him the obvious problem with that plan.
* In the ''Series/NedsDeclassifiedSchoolSurvivalGuide'' episode "Lost and Found", Ned locks Moze in an outdoor enclosed space to keep her from stopping him from getting a pair of sneakers autographed by NBA player Carmelo Anthony that were in the lost and found, only to realize that he locked himself in with her, preventing his prospects of claiming the sneakers. Another happened in the episode "Revenge" when a new student joins the schools volleyball team and "accidentally" injures most of the best players, leaving the team with her, Moze and the benchwarmers. It's revealed that the new student is from a rival team, and wanted revenge on Polk's volleyball team for beating her team and keeping them out of the playoffs last year. She gloats that now her team will win since she plans to play badly and Polks team is only the benchwarmers. Only for Moze to point out that now that she's a part of Polks volleyball team, her old team no longer has it's best player and now they don't a chance without her as the Polks' benchwarmers are still better than her old team. Not to mention, now she has to face the team she abandoned, and they aren't happy with her, It end with her running from volleyballs being thrown at her
* On an episode of ''Series/{{Seinfeld}}'' Kramer is at a department store when he decides to sell the clothes he's wearing to another customer. When he's left naked in the store's changing room with nothing to put on, he whimpers, "I didn't think it through!"
** Kramer does this kind of stuff a LOT. Like betting that he could turn his apartment into a triple-tiered deck.
** Topped when he tells Elaine a story about how he was going to return a pair of pants he had borrowed to a friend. On the way, he slipped and fell in mud, ruining the pants he had intended to return. When Elaine confirms that he was wearing the pants he planned to return, [[FridgeLogic she asks the obvious question of what he would have done had he successfully returned the pants and been left without anything to wear]]. His response? [[InsaneTrollLogic He never got that far, so it doesn't matter]].

to:

* In a ''Series/SavedByTheBell'' episode, Zack has detention on the day of a trivia contest for a trip to Hawaii. He sends Screech in his place, who comes back to ask him a question. Mr. Belding explains only those in detention can talk to others there, so Screech purposely gets in trouble. When he sits down, Zack tells him the obvious problem with that plan.
* In the ''Series/NedsDeclassifiedSchoolSurvivalGuide''
''Series/TheKicks'' episode "Lost and Found", Ned locks Moze in an outdoor enclosed space to keep "Breakaway" sees Devin being punished by her from stopping him from getting a pair of sneakers autographed by NBA player Carmelo Anthony that were parents for sneaking out in the lost previous episode. They give her three punishments: Loss of her cell phone for two weeks, loss of her computer for two weeks, and found, only loss of television privileges for two weeks. Thus, in order to do her homework, she needs to use her mother's computer in a room where she can be monitored. Only after this is enforced does anyone realize that he locked himself in with her, preventing his prospects of claiming the sneakers. Another happened in problem: Since the episode "Revenge" when a new student joins living room is adjacent to the schools volleyball team and "accidentally" injures most of the best players, leaving the team with her, Moze and the benchwarmers. It's revealed that the new student room where Devin is from a rival team, and wanted revenge on Polk's volleyball team for beating her team and keeping them out of the playoffs last year. She gloats that now her team will win since she plans to play badly and Polks team is only the benchwarmers. Only for Moze to point out that now that she's a part of Polks volleyball team, her old team no longer has it's best player and now they don't a chance without her as the Polks' benchwarmers are still better than her old team. Not to mention, now she has to face the team she abandoned, and working, they aren't happy with her, It end with able to watch television either because it would distract her. Also, her running from volleyballs being thrown at her
mother finds herself unable to use the computer when she needs to because Devin is using it.
* On an ''Series/LawAndOrder''
** In the
episode of ''Series/{{Seinfeld}}'' Kramer is at a department store when he decides "The Taxman Cometh", ADA Mike Cutter attempts to sell nullify the clothes "adoption relationship" between a wealthy women and her female lover, explaining that the relationship was seen as a marriage of the two, even though New York state law was against gay marriage at the time. [[spoiler: It works, in that the Family Court judge did nullify the adoption... But it doesn't, in that the judge also enforces spousal privilege (i.e. lover legally couldn't testify). A Supreme Court judge did reverse the enforcement after the commercial break,]] [[OhCrap Cutter's face prior to commercials really shows how little he thought this through]].
* ''Series/MontyPythonsFlyingCircus'': One sketch has an inept extortionist who claims that he has set a bomb on an airliner and thinks
he's wearing to another customer. When he's left naked got it all figured out... until the pilot tells him that he'll be killed in the store's changing room explosion along with nothing to put on, he whimpers, "I didn't think everyone else.
-->"I'll tell you where
it through!"
** Kramer does this kind of stuff
is for a LOT. Like betting that he could turn his apartment into a triple-tiered deck.
** Topped when he tells Elaine a story about how he was going to return a pair of pants he had borrowed to a friend. On the way, he slipped and fell in mud, ruining the pants he had intended to return. When Elaine confirms that he was wearing the pants he planned to return, [[FridgeLogic she asks the obvious question of what he would have done had he successfully returned the pants and been left without anything to wear]]. His response? [[InsaneTrollLogic He never got that far, so it doesn't matter]].
pound."



* A tragic example from near the end of ''Series/BreakingBad'': [[spoiler:after Hank dies, Walt becomes completely alienated from his family. After kidnapping Holly, Walt places a call to his house, knowing the police would be listening in on it, and plays himself up as a cruel druglord who terrorized Skyler into helping him in his meth-cooking business, rather than Skyler being a willing participant. While it works, however, Saul explains that with Walt in the wind, Skyler didn't have anything of value to give to the police, and as such, she was still very much on the hook for his crimes.]]
** Off of that, Saul notes that [[spoiler: when it gets out she was married to a drug lord, Skylar will have an impossible time finding a job and providing for their son. When Walt says he has millions of dollars to give them, Saul snaps that the Feds are now watching and there's no way Walt can ever get that money to them without it being seized. By the stunned look on his face, it's obvious Walt is realizing for the first time how badly he's messed things up.]]
* In an episode of ''Series/TopGear'', there was an amphibious car challenge. Hammond's car looked like a boat (with the steering wheel near the back) with an upper portion for the "girls in bikini to go", which he then noticed was so high up he couldn't see over while driving.
** Then came Jeremy Clarkson's mobility scooter in season 18, which was arranged so that the drive wheels had nothing actually pressing them against the ground.
** The motor home challenge: Clarkson designed a three-story home on top of his car. It was barely able to clear overhead passes, and proved to be top-heavy, nearly tipping over several times on the road, and finally did during a very windy night.
** None of their cop car vehicle-stopping devices proved well planned. Richard neglected to consider that cars can turn, James neglected to consider that cars have windshield wipers, and Jeremy neglected to consider that a car's axle can handle only so much stress. The net result was that none of them managed to stop the Stig--and, as an additional bonus, one of Jeremy's wheels [[FreeWheel ended up a substantial distance from his car]].
** One of their car vs. X races had James and Hammond in a plane James was piloting racing Jeremy in a car along the ground. Sounds like a good plan, but by the time James had completed all the pre-flight checks Jeremy already had a considerable head start, which was a problem since they were in a small, single-engine plane that was barely faster than Jeremy's high-performance car. And then, to top it all off, they had to land at dusk, since James wasn't checked out on night flying, and finish the race on public transit. An amused Jeremy lampshades it when he hears about that part:
-->'''Jeremy''': He really hasn't thought this through, has he?
* ''Series/TheBigBangTheory'' shows [[OnlySaneMan Leonard]] trying to slip out to meet his then-girlfriend and getting [[CannotTellALie Sheldon]] to cover for him. Given that Sheldon cannot do this convincingly, Leonard almost immediately wonders why he didn't think this through.(Specifically, if he knows that Sheldon can't lie convincingly, why didn't he just lie to Sheldon too?)
* (Also counts as a Real Life example.) ''Series/TheTonightShow'': Johnny Carson would often have non-celebrity regular folks as guests (often the most interesting and entertaining part of the show). One was a self-styled "idea man" who came up with get-rich-qucik schemes, none of which really panned out. He had high hopes for his latest--shaving his head and painting advertising on it (this was way, way before shaved heads were commonplace). Johnny commented that, coming on this show, he must have been able to charge some pretty high rates--and the guy froze...''he never thought of that''. Johnny tried to keep the tone light, but the guy spent the rest of his time there looking like he'd swallowed a foul-tasting bug.
* In one episode of ''Series/ThirtyRock'', Kenneth pitches an idea for a game show he had to Jack: a show like ''Series/DealOrNoDeal'' where the contestants must find out which briefcase has a million dollars of gold inside. While filming it, the contestants only need to look for which model is having difficulty holding her briefcase. The show is then quickly canned. Kenneth even lampshades it:
-->"Ooooh, gold's real heavy, innit?"
* In the opening to an episode of ''Series/TheSuiteLifeOfZackAndCody'', Zack wins a bet against his brother, Cody, and now the latter owe him smoothies, which he now has to make.
-->'''Zack:''' Did not think that through.

to:

* A tragic example from near ''Series/TheMrPotatoHeadShow'': Queenie was going to try to force Mr. Potato Head to let her sing on the end of ''Series/BreakingBad'': [[spoiler:after Hank dies, Walt becomes completely alienated from show by stealing his family. After kidnapping Holly, Walt places a call to his house, knowing the police would be listening in on it, detachable ears and plays himself up as a cruel druglord who terrorized Skyler into helping him in his meth-cooking business, rather than Skyler being a willing participant. While it works, however, Saul explains that with Walt in the wind, Skyler holding them hostage. She didn't have anything of value to give to make her demands until ''after'' she detached the police, ears, and as such, she was still very much on the hook for his crimes.]]
** Off of that, Saul notes that [[spoiler: when it gets out she was married to a drug lord, Skylar will have an impossible time finding a job and providing for their son. When Walt says he has millions of dollars to give them, Saul snaps that the Feds are now watching and there's no way Walt can ever get that money to them without it being seized. By the stunned look on his face, it's obvious Walt is realizing for the first time how badly he's messed things up.]]
* In an episode of ''Series/TopGear'', there was an amphibious car challenge. Hammond's car looked like a boat (with the steering wheel near the back) with an upper portion for the "girls in bikini to go", which he then noticed was so high up
he couldn't see over while driving.
** Then came Jeremy Clarkson's mobility scooter in season 18, which was arranged so that the drive wheels had nothing actually pressing them against the ground.
** The motor home challenge: Clarkson designed a three-story home on top of his car. It was barely able to clear overhead passes, and proved to be top-heavy, nearly tipping over several times on the road, and finally did during a very windy night.
** None of their cop car vehicle-stopping devices proved well planned. Richard neglected to consider that cars can turn, James neglected to consider that cars have windshield wipers, and Jeremy neglected to consider that a car's axle can handle only so much stress. The net result was that none of them managed to stop the Stig--and, as an additional bonus, one of Jeremy's wheels [[FreeWheel ended up a substantial distance from his car]].
** One of their car vs. X races had James and Hammond in a plane James was piloting racing Jeremy in a car along the ground. Sounds like a good plan, but by the time James had completed all the pre-flight checks Jeremy already had a considerable head start, which was a problem since they were in a small, single-engine plane that was barely faster than Jeremy's high-performance car. And then, to top it all off, they had to land at dusk, since James wasn't checked out on night flying, and finish the race on public transit. An amused Jeremy lampshades it when he hears about that part:
-->'''Jeremy''': He really hasn't
hear her, though...
-->'''Queenie''': Man, I shoulda
thought this through, has he?
plan through better!
* ''Series/TheBigBangTheory'' shows [[OnlySaneMan Leonard]] trying to slip In the ''Series/MysteryScienceTheater3000'' episode featuring ''Film/SpaceMutiny'', Crow and Tom find, hijack, and wreck two hyper warp escape craft imitating the dogfight scenes in the movie. When Mike points out to meet his then-girlfriend that "maybe we should have used them ''for escape purposes''?!", it takes Crow and Tom a moment to realize they could have escaped from the Satellite of Love with them.
* In the ''Series/NedsDeclassifiedSchoolSurvivalGuide'' episode "Lost and Found", Ned locks Moze in an outdoor enclosed space to keep her from stopping him from
getting [[CannotTellALie Sheldon]] to cover for him. Given a pair of sneakers autographed by NBA player Carmelo Anthony that Sheldon cannot do this convincingly, Leonard almost immediately wonders why he didn't think this through.(Specifically, if he knows were in the lost and found, only to realize that Sheldon can't lie convincingly, why didn't he just lie to Sheldon too?)
* (Also counts as a Real Life example.) ''Series/TheTonightShow'': Johnny Carson would often have non-celebrity regular folks as guests (often
locked himself in with her, preventing his prospects of claiming the sneakers. Another happened in the episode "Revenge" when a new student joins the schools volleyball team and "accidentally" injures most interesting of the best players, leaving the team with her, Moze and entertaining the benchwarmers. It's revealed that the new student is from a rival team, and wanted revenge on Polk's volleyball team for beating her team and keeping them out of the playoffs last year. She gloats that now her team will win since she plans to play badly and Polks team is only the benchwarmers. Only for Moze to point out that now that she's a part of Polks volleyball team, her old team no longer has it's best player and now they don't a chance without her as the show). One was a self-styled "idea man" who came up Polks' benchwarmers are still better than her old team. Not to mention, now she has to face the team she abandoned, and they aren't happy with get-rich-qucik schemes, none her, It end with her running from volleyballs being thrown at her.
* On ''Series/TheOfficeUS'', most
of which really panned out. He had high hopes Michael Scott's schemes end up as this. For instance, it's shown that he once promised a group of third graders that he would pay for their ''entire college tuition''. Ten years later, when it's time to pay up, Pam calls him out on this.
* ''Series/{{Rome}}'': Brutus and
his latest--shaving fellow conspirators kill Caesar, justifying it by declaring him a tyrant. However Marc Antony points out that if Caesar is a tyrant, then by Roman law all his head and painting advertising on it (this previous acts are void, including the appointment of the conspirators to their positions of power. Rather than risk an election (given that Caesar was way, way before shaved heads were commonplace). Johnny commented that, coming on this show, he must have been able to charge some pretty high rates--and the guy froze...''he never well thought of that''. Johnny tried to keep by the tone light, but the guy spent the rest of his common people) they're forced to make a truce with Antony (giving him time there looking like he'd swallowed a foul-tasting bug.
* In one episode of ''Series/ThirtyRock'', Kenneth pitches an idea for a game show he had
to Jack: a show like ''Series/DealOrNoDeal'' where rally the contestants must find out which briefcase has a million dollars of gold inside. While filming it, the contestants only need to look for which model is having difficulty holding her briefcase. The show is then quickly canned. Kenneth even lampshades it:
-->"Ooooh, gold's real heavy, innit?"
* In the opening to an episode of ''Series/TheSuiteLifeOfZackAndCody'', Zack wins a bet
mob against the conspirators with his brother, Cody, and now RousingSpeech at Caesar's funeral).
* In a ''Series/SavedByTheBell'' episode, Zack has detention on
the latter owe day of a trivia contest for a trip to Hawaii. He sends Screech in his place, who comes back to ask him smoothies, which a question. Mr. Belding explains only those in detention can talk to others there, so Screech purposely gets in trouble. When he now has to make.
-->'''Zack:''' Did not think
sits down, Zack tells him the obvious problem with that through.plan.



-->'''Cox:''' You realize that even though he gets to leave, ''you'' have to stay?\\

to:

-->'''Cox:''' --->'''Cox:''' You realize that even though he gets to leave, ''you'' have to stay?\\



* ''Series/{{Rome}}'': Brutus and his fellow conspirators kill Caesar, justifying it by declaring him a tyrant. However Marc Antony points out that if Caesar is a tyrant, then by Roman law all his previous acts are void, including the appointment of the conspirators to their positions of power. Rather than risk an election (given that Caesar was well thought of by the common people) they're forced to make a truce with Antony (giving him time to rally the mob against the conspirators with his RousingSpeech at Caesar's funeral).

to:

* ''Series/{{Rome}}'': Brutus and his fellow conspirators kill Caesar, justifying On an episode of ''Series/{{Seinfeld}}'' Kramer is at a department store when he decides to sell the clothes he's wearing to another customer. When he's left naked in the store's changing room with nothing to put on, he whimpers, "I didn't think it by declaring him through!"
** Kramer does this kind of stuff
a tyrant. However Marc Antony points out LOT. Like betting that if Caesar is a tyrant, then by Roman law all he could turn his previous acts are void, including apartment into a triple-tiered deck.
** Topped when he tells Elaine a story about how he was going to return a pair of pants he had borrowed to a friend. On
the appointment of way, he slipped and fell in mud, ruining the conspirators pants he had intended to their positions of power. Rather than risk an election (given return. When Elaine confirms that Caesar he was well thought of by wearing the common people) they're forced pants he planned to make a truce with Antony (giving him time to rally return, [[FridgeLogic she asks the mob against obvious question of what he would have done had he successfully returned the conspirators with his RousingSpeech at Caesar's funeral).pants and been left without anything to wear]]. His response? [[InsaneTrollLogic He never got that far, so it doesn't matter]].



* The "Enjoy the Ride" story line in ''Series/{{Hollyoaks}}'' has a tragic example of this. Jono and Ruby reunite after splitting up, but Jono is about to be deployed with the army. They decide to [[{{Elopement}} elope to Gretna Green]] so Ruby will be allowed to live with Jono at the barracks. Ruby's family panic when they discover she's gone but, as her foster dad points out, Ruby and Jono will not be able to get married even if they reach Gretna Green - they haven't given the appropriate notice to get a marriage licence. Ruby and Jono hadn't even thought about this, and steal a minibus to drive themselves and their friends to Gretna Green; which causes a crash that kills four people, including Jono.
* In the ''Series/MysteryScienceTheater3000'' episode featuring ''Film/SpaceMutiny'', Crow and Tom find, hijack, and wreck two hyper warp escape craft imitating the dogfight scenes in the movie. When Mike points out that "maybe we should have used them ''for escape purposes''?!", it takes Crow and Tom a moment to realize they could have escaped from the Satellite of Love with them.
* ''Series/{{Friends}}'': Chandler finally gets tired of all the things he has to do for his company while working in Oklahoma, so he quits. When Phoebe asks him what he's going to do now, he says the trope by name.
* ''Series/ArrestedDevelopment'': Gob comes up with a magic performance in "Key Decisions" where he is locked up in the same prison where his father is doing time and escapes. His plan is to swallow the key to the cell, pass it, and unlock the cell door. When it comes time to do so...
-->'''Gob:''' Hey, Dad. Is there, like, a private bathroom I can use?\\
'''George:''' Um... ''(taps the in-cell toilet with his foot)'' You're looking at it.\\
'''Gob:''' No, no. I can't use that. I, uh, I need privacy. Yeah, I've always been that way.\\
''(George gives him an "I'm serious" look)''\\
'''Gob:''' Come on, dad! If I'm gonna pass this key, I can't do it in front of all these other guys!\\
'''George:''' Well, we could ask them all to leave but, um, there's this thing. They've been locking the doors lately, so...\\
'''Gob:''' [[CatchPhrase I've made a huge mistake]].
* ''Series/HannahMontana'': Miley fails her driving test and doesn't want to wait for two weeks as required by [=DMV=] regulations before retaking the test, so she takes it as her alter ego. It doesn't occur to her that ''Miley'' can't use ''Hannah's'' license until she has to show it to a cop.
* ''Series/MontyPythonsFlyingCircus'': One sketch has an inept extortionist who claims that he has set a bomb on an airliner and thinks he's got it all figured out...until the pilot tells him that he'll be killed in the explosion along with everyone else.
-->"I'll tell you where it is for a pound."
* ''Series/{{Charmed}}'': When Chris asks Phoebe for help getting Piper and Leo back together in time for his conception (Chris is Piper and Leo's KidFromTheFuture), Phoebe points out that Chris is the one who separated Piper and Leo in the first place. Phoebe insists it's not her fault that Chris didn't think things through, though she does eventually agree to help him.
* ''Series/HappyDays'' - Richie is antagonized by a bully - he asks Fonzie for advice, who tells him to stand up to the bully and he'll back down. Richie stands up to the bully - he doesn't back down. Richie asks what's gone wrong, and Fonzie adds that for this to work he needed to have beaten somebody up before and have a reputation - Richie hisses "That's a ''big'' thing to leave out!!"
* On ''Series/TheOfficeUS'', most of Michael Scott's schemes end up as this. For instance, it's shown that he once promised a group of third graders that he would pay for their ''entire college tuition''. Ten years later, when it's time to pay up, Pam calls him out on this.
* In ''Series/YesPrimeMinister'', Sir Humphrey plans to thwart a plan of Prime Minister Hacker's to move selected military units OopNorth by discrediting the Employment Secretary, who came up with the plan, and making it seem like he's after Hacker's job. It works like a charm -- until the end, when the Employment Secretary's gone and Hacker realises that there's now nothing left to stop him implementing the plan and taking all the credit for it. Humphrey realises too late that his plan involved attacking the Employment Secretary so much, it didn't actually do anything to discredit the plan itself.
* In ''Series/{{Backstage}}'', Kit has a ''Series/HannahMontana''-esque SecretIdentity called [[spoiler: DJ Diamondmind]] whose tracks are renowned. She used her alter-ego's tracks to audition for Keaton School for the Arts; when this gets out, RealityEnsues: She finds herself accused of plagiarism and faces expulsion (it works out, but it's still a pretty big oversight).
* In the ''Series/EnemyAtTheDoor'' episode "Jealousy", a woman anonymously denounces her sister-in-law to the German police as a black marketeer, justifying it to herself as saving her brother from a woman who (in her opinion) doesn't deserve him. The Germans confiscate the entire family's papers as part of the investigation, discover an irregularity in the brother's birth certificate, and deport him. Any consolation the sister might have got from having at least succeeded in separating him from his wife is lost when the Germans decide at the last minute to deport his wife along with him.
* ''Series/TheKicks'' episode "Breakaway" sees Devin being punished by her parents for sneaking out in the previous episode. They give her three punishments: Loss of her cell phone for two weeks, loss of her computer for two weeks, and loss of television priveleges for two weeks. Thus, in order to do her homework, she needs to use her mother's computer in a room where she can be monitored. Only after this is enforced does anyone realize the problem: Since the living room is adjacent to the room where Devin is working, they aren't able to watch television either because it would distract her. Also, her mother finds herself unable to use the computer when she needs to because Devin is using it.
* ''Series/TheMrPotatoHeadShow'': Queenie was going to try to force Mr. Potato Head to let her sing on the show by stealing his detachable ears and holding them hostage. She didn't make her demands until ''after'' she detached the ears, and he couldn't hear her, though...
---> '''Queenie''': Man, I shoulda thought this plan through better!
* ''Series/LawAndOrder''
** In the episode "The Taxman Cometh", ADA Mike Cutter attempts to nullify the "adoption relationship" between a wealthy women and her female lover, explaining that the relationship was seen as a marriage of the two, even though New York state law was against gay marriage at the time. [[spoiler: It works, in that the Family Court judge did nullify the adoption....But it doesn't, in that the judge also enforces spousal privilege (i.e. lover legally couldn't testify). A Supreme Court judge did reverse the enforcement after the commercial break,]] [[OhCrap Cutter's face prior to commercials really shows how little he thought this through]].
* In ''Series/TheAdventuresOfTimmyTheTooth'' episode "Molar Island," the Gingivitis Gang, Flossmore Valley's resident [[Series/MightyMorphinPowerRangers Bulk & Skull]] [[note]]to the Cavity Goon's Rita Repulsa or Lord Zedd.[[/note]], are depicted on Timmy's dream vacation at the titular island as the cannibalistic Gingivitis Tribe who steal the crown of Moral Island's King Tooth. When they capture Timmy and Brushbrush intended to cook and eat them, Timmy points out that stealing that Crown is causing the island to sink and they'll all sink with it. The Gingivitis Tribe agree to put aside their differences and help the other residents of Molar Island (Timmy's friends in the real world) return the Crown to the King, saving the island.

to:

* The "Enjoy the Ride" story line in ''Series/{{Hollyoaks}}'' has a tragic example of this. Jono and Ruby reunite after splitting up, but Jono is about to be deployed with the army. They decide to [[{{Elopement}} elope to Gretna Green]] so Ruby will be allowed to live with Jono at the barracks. Ruby's family panic when they discover she's gone but, as her foster dad points out, Ruby and Jono will not be able to get married even if they reach Gretna Green - they haven't given the appropriate notice to get a marriage licence. Ruby and Jono hadn't even thought about this, and steal a minibus to drive themselves and their friends to Gretna Green; which causes a crash that kills four people, including Jono.
*
''Series/TheStoryteller'': In the ''Series/MysteryScienceTheater3000'' episode featuring ''Film/SpaceMutiny'', Crow and Tom find, hijack, and wreck two hyper warp escape craft imitating the dogfight scenes in the movie. When Mike points out that "maybe we should have used them ''for escape purposes''?!", it takes Crow and Tom a moment to realize they could have escaped from the Satellite of Love with them.
* ''Series/{{Friends}}'': Chandler finally gets tired of all the things he has to do for his company while working in Oklahoma, so he quits. When Phoebe asks him what he's going to do now, he says the trope by name.
* ''Series/ArrestedDevelopment'': Gob comes up with a magic performance in "Key Decisions" where he is locked up in the same prison where his father is doing time and escapes. His plan is to swallow the key to the cell, pass it, and unlock the cell door. When it comes time to do so...
-->'''Gob:''' Hey, Dad. Is there, like, a private bathroom I can use?\\
'''George:''' Um... ''(taps the in-cell toilet with his foot)'' You're looking at it.\\
'''Gob:''' No, no. I can't use that. I, uh, I need privacy. Yeah, I've always been that way.\\
''(George gives him an "I'm serious" look)''\\
'''Gob:''' Come on, dad! If I'm gonna pass this key, I can't do it in front of all these other guys!\\
'''George:''' Well, we could ask them all to leave but, um, there's this thing. They've been locking the doors lately, so...\\
'''Gob:''' [[CatchPhrase I've made a huge mistake]].
* ''Series/HannahMontana'': Miley fails her driving test and doesn't want to wait for two weeks as required by [=DMV=] regulations before retaking the test, so she takes it as her alter ego. It doesn't occur to her that ''Miley'' can't use ''Hannah's'' license until she has to show it to a cop.
* ''Series/MontyPythonsFlyingCircus'': One sketch has an inept extortionist who claims that he has set a bomb on an airliner and thinks he's got it all figured out...until the pilot tells him that he'll be killed in the explosion along with everyone else.
-->"I'll tell you where it is for a pound."
* ''Series/{{Charmed}}'': When Chris asks Phoebe for help getting Piper and Leo back together in time for his conception (Chris is Piper and Leo's KidFromTheFuture), Phoebe points out that Chris is the one who separated Piper and Leo in the first place. Phoebe insists it's not her fault that Chris didn't think things through, though she does eventually agree to help him.
* ''Series/HappyDays'' - Richie is antagonized by a bully - he asks Fonzie for advice, who tells him to stand up to the bully and he'll back down. Richie stands up to the bully - he doesn't back down. Richie asks what's gone wrong, and Fonzie adds that for this to work he needed to have beaten somebody up before and have a reputation - Richie hisses "That's a ''big'' thing to leave out!!"
* On ''Series/TheOfficeUS'', most of Michael Scott's schemes end up as this. For instance, it's shown that he once promised a group of third graders that he would pay for their ''entire college tuition''. Ten years later, when it's time to pay up, Pam calls him out on this.
* In ''Series/YesPrimeMinister'', Sir Humphrey plans to thwart a plan of Prime Minister Hacker's to move selected military units OopNorth by discrediting the Employment Secretary, who came up with the plan, and making it seem like he's after Hacker's job. It works like a charm -- until the end, when the Employment Secretary's gone and Hacker realises that there's now nothing left to stop him implementing the plan and taking all the credit for it. Humphrey realises too late that his plan involved attacking the Employment Secretary so much, it didn't actually do anything to discredit the plan itself.
* In ''Series/{{Backstage}}'', Kit has a ''Series/HannahMontana''-esque SecretIdentity called [[spoiler: DJ Diamondmind]] whose tracks are renowned. She used her alter-ego's tracks to audition for Keaton School for the Arts; when this gets out, RealityEnsues: She finds herself accused of plagiarism and faces expulsion (it works out, but it's still a pretty big oversight).
* In the ''Series/EnemyAtTheDoor'' episode "Jealousy", a woman anonymously denounces her sister-in-law to the German police as a black marketeer, justifying it to herself as saving her brother from a woman who (in her opinion) doesn't deserve him. The Germans confiscate the entire family's papers as part of the investigation, discover an irregularity in the brother's birth certificate, and deport him. Any consolation the sister might have got from having at least succeeded in separating him from his wife is lost when the Germans decide at the last minute to deport his wife along with him.
* ''Series/TheKicks'' episode "Breakaway" sees Devin being punished by her parents for sneaking out in the previous episode. They give her three punishments: Loss of her cell phone for two weeks, loss of her computer for two weeks, and loss of television priveleges for two weeks. Thus, in order to do her homework, she needs to use her mother's computer in a room where she can be monitored. Only after this is enforced does anyone realize the problem: Since the living room is adjacent to the room where Devin is working, they aren't able to watch television either because it would distract her. Also, her mother finds herself unable to use the computer when she needs to because Devin is using it.
* ''Series/TheMrPotatoHeadShow'': Queenie was going to try to force Mr. Potato Head to let her sing on the show by stealing his detachable ears and holding them hostage. She didn't make her demands until ''after'' she detached the ears, and he couldn't hear her, though...
---> '''Queenie''': Man, I shoulda thought this plan through better!
* ''Series/LawAndOrder''
** In the episode
"The Taxman Cometh", ADA Mike Cutter Soldier and Death", the soldier attempts to nullify the "adoption relationship" between a wealthy women and her female lover, explaining that the relationship was seen as a marriage trick his way into Heaven by handing his magic sack to one of the two, even though New York state law was against gay marriage at souls waiting to enter Heaven, and asking the time. [[spoiler: It works, in soul to call him into the sack once he is within Heaven. However, the soldier forgot that all souls entering Heaving lose all mortal life, so once he is in Heaven, the Family Court judge did nullify the adoption....But it doesn't, in that the judge also enforces spousal privilege (i.e. lover legally couldn't testify). A Supreme Court judge did reverse the enforcement after the commercial break,]] [[OhCrap Cutter's face prior soul has no memory of why he has a sack or what he is supposed to commercials really shows how little he thought this through]].
* In ''Series/TheAdventuresOfTimmyTheTooth'' episode "Molar Island," the Gingivitis Gang, Flossmore Valley's resident [[Series/MightyMorphinPowerRangers Bulk & Skull]] [[note]]to the Cavity Goon's Rita Repulsa or Lord Zedd.[[/note]], are depicted on Timmy's dream vacation at the titular island as the cannibalistic Gingivitis Tribe who steal the crown of Moral Island's King Tooth. When they capture Timmy and Brushbrush intended to cook and eat them, Timmy points out that stealing that Crown is causing the island to sink and they'll all sink
do with it. The Gingivitis Tribe agree to put aside their differences So the soldier is remains BarredFromTheAfterlife and help left to wander the other residents of Molar Island (Timmy's friends in earth without his magic sack.
* In
the real world) return opening to an episode of ''Series/TheSuiteLifeOfZackAndCody'', Zack wins a bet against his brother, Cody, and now the Crown latter owes him smoothies, which he now has to the King, saving the island.make.
-->'''Zack:''' Did not think that through.



-->'''Mason''': What did you think was going to happen? You'd stand up on your hind legs, do your little speech and they'd just slink off into the darkness?
* In ''[[Series/TheFlash2014 The Flash]]'' Sisko, HR, and Julian hide from [[spoiler:Caitlin/Killer Frost]] by locking themselves behind a containment door. Forgetting that [[spoiler:she still has all her access codes, which she points out after opening the door]].
* ''Series/TheStoryteller'': In "The Soldier and Death", the soldier attempts to trick his way into Heaven by handing his magic sack to one of the souls waiting to enter Heaven, and asking the soul to call him into the sack once he is within Heaven. However, the soldier forgot that all souls entering Heaving lose all mortal life, so once he is in Heaven, the soul has no memory of why he has a sack or what he is supposed to do with it. So the soldier is remains BarredFromTheAfterlife and left to wander the earth without his magic sack.
* In the Season 3 finale of ''Series/{{iZombie}}'', [[spoiler:Chase Graves gets hundreds, of not thousands of people in Seattle infected with the zombie virus, afterwards announcing their existence to the entire country, blackmailing the US government into supplying them the brains, lest hungry zombies spread out from Seattle]]. After a 3-4 month TimeSkip and the start of Season 4, we find out that [[spoiler:the government has walled off the city and is using the national guard to patrol outside the walls, thus cutting off Chase's access to brains and the rest of the country]]. In fact, [[spoiler:Chase knows that the only thing that keeps the government from employing the NuclearOption is the presence of humans in the city, hence the penalty of death for a zombie scratching or attacking a human]]. Openly lampshaded by people like Blaine noting that maybe [[spoiler: Chase should have taken the possibility of the government not giving the walking dead equal rights before he went ahead and exposed zombies to the world.]]

to:

-->'''Mason''': -->'''Mason:''' What did you think was going to happen? You'd stand up on your hind legs, do your little speech and they'd just slink off into the darkness?
darkness?
* In ''[[Series/TheFlash2014 The Flash]]'' Sisko, HR, (Also counts as a Real Life example.) ''Series/TheTonightShow'': Johnny Carson would often have non-celebrity regular folks as guests (often the most interesting and Julian hide from [[spoiler:Caitlin/Killer Frost]] by locking themselves behind a containment door. Forgetting that [[spoiler:she still has all her access codes, which she points out after opening the door]].
* ''Series/TheStoryteller'': In "The Soldier and Death", the soldier attempts to trick his way into Heaven by handing his magic sack to one
entertaining part of the souls waiting to enter Heaven, and asking the soul to call him into the sack once he is within Heaven. However, the soldier forgot that all souls entering Heaving lose all mortal life, so once he is in Heaven, the soul has no memory of why he has show). One was a sack or what he is supposed to do self-styled "idea man" who came up with it. So get-rich-qucik schemes, none of which really panned out. He had high hopes for his latest--shaving his head and painting advertising on it (this was way, way before shaved heads were commonplace). Johnny commented that, coming on this show, he must have been able to charge some pretty high rates--and the soldier is remains BarredFromTheAfterlife and left guy froze... ''he never thought of that''. Johnny tried to wander keep the earth without his magic sack.
* In
tone light, but the Season 3 finale of ''Series/{{iZombie}}'', [[spoiler:Chase Graves gets hundreds, of not thousands of people in Seattle infected with the zombie virus, afterwards announcing their existence to the entire country, blackmailing the US government into supplying them the brains, lest hungry zombies spread out from Seattle]]. After a 3-4 month TimeSkip and the start of Season 4, we find out that [[spoiler:the government has walled off the city and is using the national guard to patrol outside the walls, thus cutting off Chase's access to brains and guy spent the rest of his time there looking like he'd swallowed a foul-tasting bug.
* In an episode of ''Series/TopGear'', there was an amphibious car challenge. Hammond's car looked like a boat (with
the country]]. In fact, [[spoiler:Chase knows steering wheel near the back) with an upper portion for the "girls in bikini to go", which he then noticed was so high up he couldn't see over while driving.
** Then came Jeremy Clarkson's mobility scooter in season 18, which was arranged so
that the drive wheels had nothing actually pressing them against the ground.
** The motor home challenge: Clarkson designed a three-story home on top of his car. It was barely able to clear overhead passes, and proved to be top-heavy, nearly tipping over several times on the road, and finally did during a very windy night.
** None of their cop car vehicle-stopping devices proved well planned. Richard neglected to consider that cars can turn, James neglected to consider that cars have windshield wipers, and Jeremy neglected to consider that a car's axle can handle
only so much stress. The net result was that none of them managed to stop the Stig--and, as an additional bonus, one of Jeremy's wheels [[FreeWheel ended up a substantial distance from his car]].
** One of their car vs. X races had James and Hammond in a plane James was piloting racing Jeremy in a car along the ground. Sounds like a good plan, but by the time James had completed all the pre-flight checks Jeremy already had a considerable head start, which was a problem since they were in a small, single-engine plane that was barely faster than Jeremy's high-performance car. And then, to top it all off, they had to land at dusk, since James wasn't checked out on night flying, and finish the race on public transit. An amused Jeremy lampshades it when he hears about that part:
--->'''Jeremy''': He really hasn't thought this through, has he?
* In ''Series/TheWire'', Detective [=McNulty=]'s cunning plan to fake a serial killer in order to get money for an investigation into a murderous drug crew becomes a textbook example of this. Although command showers him with resources, people gradually get wind that he's giving overtime out to people for different cases, so he ends up getting blackmailed into giving people overtime to go and play golf in Florida. Because the eventual bill runs into the millions, [=McNulty=] makes himself liable for not only firing, but serious jail time. Because the case becomes a political football, he ends up having to bullshit the entire police command staff and all of city hall. And because [=McNulty=] hadn't thought what he'd do when the drug crew were busted, leaving him with a non-existent "serial killer" to catch, he ends up having to find a way to de-escalate the
thing rapidly. For a while, you think he'll manage to stay on top of things. [[spoiler:He doesn't. The wheels come off. Spectacularly]].
* In ''Series/YesPrimeMinister'', Sir Humphrey plans to thwart a plan of Prime Minister Hacker's to move selected military units OopNorth by discrediting the Employment Secretary, who came up with the plan, and making it seem like he's after Hacker's job. It works like a charm -- until the end, when the Employment Secretary's gone and Hacker realises
that keeps there's now nothing left to stop him implementing the government from employing plan and taking all the NuclearOption is the presence of humans in the city, hence the penalty of death credit for a zombie scratching or it. Humphrey realises too late that his plan involved attacking a human]]. Openly lampshaded by people like Blaine noting that maybe [[spoiler: Chase should have taken the possibility of Employment Secretary so much, it didn't actually do anything to discredit the government not giving the walking dead equal rights before he went ahead and exposed zombies to the world.]]plan itself.



* ''Music/KidsPraise'': The seventh album begins with two separate instances of this trope in action:
** First, Psalty agreed to a history-of-hymns project that would take weeks of research, and would be due in ''two days''. He even admits that he agreed without realizing how long it would take.
** Second, he tries to invent a machine that stretches time to allow himself and the kids to do those weeks of research in under 24 hours. However, he shows it to the kids ''before'' he tests it, and [[WhatDoesThisButtonDo kids]] [[TimeMachine will]] [[AdventuresInTheBible be]] [[TrappedInThePast kids]]..



But no-one knows it's only me
* ''Music/KidsPraise'': The seventh album begins with two separate instances of this trope in action:
** First, Psalty agreed to a history-of-hymns project that would take weeks of research, and would be due in ''two days''. He even admits that he agreed without realizing how long it would take.
** Second, he tries to invent a machine that stretches time to allow himself and the kids to do those weeks of research in under 24 hours. However, he shows it to the kids ''before'' he tests it, and [[WhatDoesThisButtonDo kids]] [[TimeMachine will]] [[AdventuresInTheBible be]] [[TrappedInThePast kids]]...

to:

But no-one knows it's only me
* ''Music/KidsPraise'': The seventh album begins with two separate instances of this trope in action:
** First, Psalty agreed to a history-of-hymns project that would take weeks of research, and would be due in ''two days''. He even admits that he agreed without realizing how long it would take.
** Second, he tries to invent a machine that stretches time to allow himself and the kids to do those weeks of research in under 24 hours. However, he shows it to the kids ''before'' he tests it, and [[WhatDoesThisButtonDo kids]] [[TimeMachine will]] [[AdventuresInTheBible be]] [[TrappedInThePast kids]]...
me.



[[folder:Theater]]

to:

[[folder:Theater]][[folder:Theatre]]


** This is Lady Olenna's appraisal of Renly's bid for the throne since he had no legitimacy. Granted, it's in the Tyrells' interest to speak this way when they are supporting those who consider Renly a usurper.

to:

** This is Lady Olenna's appraisal of the deceased Renly's bid for the throne since he had an older brother and no legitimacy.legitimacy, so he should have stayed well out of the game. Granted, it's in the Tyrells' interest to speak this way when they are supporting those who consider Renly a usurper.


* In ''[[https://www.fanfiction.net/s/12327523/1/Ranma-Happenstance-Gone-Right Ranma: Happenstance Gone Right]]'', Genma, in the attempt of getting him to apologize to Akane and come back to the dojo, strips Ranma of his status as heir of the Saotome School of Anything Goes and gives it to Ryoga, expecting Ranma to challenge Ryoga for the status at Genma's conditions, lose, and be forced to "show the proper respect to his master". It backfires royally due him not considering a number of things, resulting in Ryoga getting defeated and himself ''mauled'', with Ranma now having the right to challenge Genma for ''his'' spot in the Saotome School. Plus, as everyone had apparently forgot, Ranma is ''Happosai''[='=]s heir, so even if Ryoga had won Ranma would have not owed any respect to Genma, as Happosai himself reminds everyone after he finds out-also banning Genma from taking advantage of Ranma's fear of cats in their challenge.

to:

* In ''[[https://www.fanfiction.net/s/12327523/1/Ranma-Happenstance-Gone-Right Ranma: Happenstance Gone Right]]'', Genma, in the attempt of getting him to apologize to Akane and come back to the dojo, strips Ranma of his status as heir of the Saotome School of Anything Goes and gives it to Ryoga, expecting Ranma to challenge Ryoga for the status at Genma's conditions, lose, lose due Ryoga being trained specifically to defeat Ranma, and be forced to "show the proper respect to his master". It backfires royally due him not considering a number of things, resulting in things:
** One of the reasons Genma went for his plan was that Ranma had grown rather close to Ukyo and Shampoo-enough he actually talked Shampoo's grandmother before issuing his challenge. She quickly figured that Genma would train
Ryoga getting defeated to take advantage of Ranma's fighting style and himself ''mauled'', with Ranma now having trained him to completely screw them over it, and had the challenge includ the condition that if he won he would have the right to challenge Genma his father for ''his'' spot in the Saotome School. Plus, as school.
** Anticipating that Ranma may win anyway, Genma had brought [[WhyDidItHaveToBeSnakes a cat]] just in case, and when Ranma gained the upper hand he threw it at him. By the match's rules that meant Ryoga was automatically defeated-and then the situation with the cat was neglected long enough it triggered the [[DelusionsOfDoghood Neko Ken]], and Ranma ''mauled'' both Genma and Ryoga.
** Right after Ranma left, Happosai shows up and has
everyone had apparently forgot, tell him what happened. A good laughter later, Happosai reminds everyone that Ranma is ''Happosai''[='=]s ''his'' heir, so even if Ryoga had won Ranma would have not owed any respect to Genma, as Happosai himself reminds everyone after he finds out-also banning Genma. He then bans Genma from taking advantage of Ranma's fear of cats in their challenge.challenge to punish him for his stupidity.


** In Volume 5's finale, Raven explains to Yang her plan to protect the Relic of Knowledge by stealing it, keeping it with her clan and away from Salem with [[spoiler:the power of the Spring Maiden]]. Yang points out how stupid that plan is, as it wouldn't make for a smaller target, but a ''bigger'' one.

to:

** In Volume 5's finale, Raven explains to Yang her plan to protect herself from Salem by stealing the Relic of Knowledge by stealing it, and keeping it with her clan and away from Salem with [[spoiler:the power of the Spring Maiden]]. tribe. Yang points out how stupid that plan is, as it wouldn't make for her a smaller target, but a ''bigger'' one.

Added DiffLines:

* Almost every problem Scott and his friends face in ''Film/AntManAndTheWasp'' are the direct result of his carelessness in ''Film/CaptainAmericaCivilWar''. Where he jumped at the chance to help Captain America, without considering what would happen after he revealed himself and the existence of Hank Pym's shrinking technology to the world.


* Name a [[Franchise/MetalGear stealth]] [[VideoGame/{{Manhunt}} game]], any [[VideoGame/SplinterCell stealth]] [[Franchise/AssassinsCreed game]], where a player gets impatient and decides to do something such as enter an unknown area without scouting ahead, shoot/stab someone in plain view, or run past a guy thinking "he won't see me if I'm fast". [[SaveScumming Load previous save and hopefully learn from your mistake]].

Added DiffLines:

** Ellaria Sand never considers the consequences of her actions in attempting to avenge Oberyn's death. Killing Myrcella just gives Cersei [[MamaBear a more justified reason to go after her]] while murdering Doran and Trystane Martell and taking over the leadership of Dorne [[SuccessionCrisis leaves more problems]]. When Euron Greyjoy ambushes their ship and kills two of her stepdaughters, she and her own daughter are captured and delivered to Cersei who poisons the latter and forces the former to watch her die and rot for the rest of her life. In the end, not only Ellaria destroys one of the great Houses of Dorne but also leaves the region into a power vacuum.

Added DiffLines:

** [[https://garfield.com/comic/2018/07/08 Two alien snowmen]] invade Earth and melt before finishing their threat to "puny Earthling" Garfield.
--->'''Garfield:''' Who schedules your invasions?
--->'''Alien:''' Oh, shut up.

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