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- In this Turkish car insurance commercial, a reporter asks a driver if he has car insurance. The driver proudly says he doesn't need it as the car is gonna be fine. Besides, what could possibly go wrong? Cue Ryu destroying the car.
- In this Cravendale commercial, Barry (a boy made out of biscuits) goes off to jump in a lake. However, hey stays in the lake too long, leading the narrator to saying "What could go wrong?". Cue Barry's soaking head falling off, leaving the mother to recook his head.
- The Sandman: Said by Morpheus the first time he summons the Kindly Ones. It is unknown whether this is an indication of how out of touch he was with stories due to his 80 year imprisonment or if he knew that this phrase was Tempting Fate (all three of them, actually) and it was the first step in his intricate plan to engineer his own death.
- Mass Effect Clash Of Civilizations: At one point Valern says, "And besides, even if they prove to be hostile to us, they don't even use element zero. How advanced can they be?" He's talking about the UNSC.
- Came Out of the Darkness:
Crookshanks ran in with the Sorting Hat in his mouth. Hat was grinning. "[Hogwarts] Castle and I believe that it is a perfect idea."
"See," Cedric said, "Castle and Hat are on my side, what can go wrong?"
Hermione groaned, "The last thing said before any catastrophe, 'what could go wrong'."
- In Frozen Hearts, just after Hans and Heins make their escape by boat, they say these exact words. They soon realize they hadn't counted on a raging storm turning up.
- In Not of Blood Fred and George say exactly this when Remus and Sirius invite Harry's Hogwarts friends to a surprise birthday party some Muggle friends he made over the summer are also attending.
- In Harry the Hufflepuff 2 Hannah Abbott and Susan Bones are dragging a reluctant Harry to the dueling club meeting second year.
Susan: Don't worry Harry. Nothing bad is going to happen. Professor Lockhart is just going to show us some basic dueling.
Hannah: It's not like anything can go wrong.
- In In Love of Quidditch Hermione says this word for word after she, Harry and Neville discover the dragon egg in Hagrid's hut.
Films — Animated
- The Incredibles has "We're superheroes. What could happen?" Cue a montage of the history of superheroes getting sued, and the eventual banishment of the superhero identity altogether. And then the second time: "We're superheroes. What could happen?" Cue giant robot.
- Invoked in Cloudy with a Chance of Meatballs:
Sam: So, you're sure this is safe?Flint: Don't worry. I have a dangeometer that lets us know if the food is going to overmutate.Sam: What happens if the food overmutates?Flint: I dunno. But that'll never happen.
- In Megamind, the titular character is bored after he defeats his nemesis, Metroman. So he decides to create a new nemesis by giving someone else Metroman's superpowers. "What could possibly Go wrong?" (Minion asks. Well, instead of giving an altruistic person superpowers, he accidentally gives them to an average joe (at best). He decides to go along with the plan anyway. Then, after said average joe decides he would rather be a supervillain, Megamind pushes all of Berserk Buttons at once. Great plan.
- In How to Train Your Dragon, Stoick decides to put Gobber in charge of training the kids to fight dragons while he's away.
- Said literally by Genie in a musical number from Aladdin and the King of Thieves, as a comment to the post-Jafar Agrabah. Shortly afterward, the titular King of Thieves reveals his plan to crash and rob Aladdin's and Jasmine's wedding.
- Cera says this in the second The Land Before Time movie.
- The Powerpuff Girls Movie: Jojo assures the girls that Townsville will love them after they help him with his plan. Suuuuuure, they will.
- As the prologue of Inside Out ends, Joy notes how perfect everything is for Riley and asks "What could happen?" This is followed by Riley's world being shaken up by her move to San Francisco. Joy repeats this at the end of the film, right after their new console has been installed with a puberty alarm light.
Films — Live-Action
- This trope is such a central part of the movie License to Drive, not only is the exact phrase used, not only is it used by the main character, not only is the moment he says it featured prominently in the movie's trailer... but he addresses the question directly to the audience! Of course, as it turns out, the answer is "practically everything that could."
- In Star Wars - A New Hope:
Commander #1: We've analyzed their attack, sir, and there is a danger. Should I have your ship standing by?Grand Moff Tarkin: Evacuate? In our moment of triumph? I think you overestimate their chances.
- The Radio adaptation puts his overconfidence down to having just been told by Motti that he could use the Death Star to overthrow the Emperor and rule in his place.
- From The Mummy. They find the ancient Egyptian "Book of the Dead", and Evey decides to read from it. "No harm ever came from reading a book", she says. Cue the eponymous Mummy waking up and trying to kill everybody.
Eve: It's only a chest. No harm ever came from opening a chest.Rick: Yeah, and no harm ever came from reading a book. Remember how that one went?
- Played through again in the sequel and lampshaded.
- RoboCop (1987): Let's test a new model of robot police enforcer with live ammunition! What Could Possibly Go Wrong? OCP never learned their lesson - they do the same again later on with the "new and improved" RoboCop 2.
- Lampshaded by Peter Venkman in Ghostbusters (1984): "Why worry? Each one of us is carrying an unlicensed nuclear accelerator on his back".
- In Zack and Miri Make a Porno, Zack uses the fateful words "What Can Go Wrong?" the night before the crew was planning to shoot the real action for their movie. Since this happens only halfway in the movie, you don't need to be a genius to know what to expect after that phrase.
- In Babes in Toyland (1986) one of the good guys explains that he's been collecting the evil of the world, distilling it to its essence, and sealing it into a bottle.
- The Terminator: "There's over 30 cops in this building. You're perfectly safe here." Oh, how wrong you are, Detective Traxler.
- The print ad for the 1973 movie Westworld reads "where nothing can possibly go worng [sic]".
- Deep Blue Sea. A research base experimenting with genetically enhanced super-intelligent sharks is placed in the middle of the ocean.
- Hot Shots!: Pete "Dead Meat" Thompson is being treated for his injuries. When his friends express concern, Dead Meat says, "I'm in a hospital! What could go wrong?: The next scene is Dead Meat's funeral.
- The Ladykillers: Professor Marcus says this when Mrs. Wilberforce has unknowingly collected the stolen money. From then on, everything goes wrong.
- Animorphs: Since improvising is a big part of their plans, this tends to happen often. Tobias even lampshades this in his own plan at one point.
- Jurassic Park. Although in this one, the critical "thing" that could happen (the control system being hacked, among other things) isn't clearly foreshadowed. But c'mon, an island full of vicious dinosaurs run by an man who continuously insists everything is perfectly safe is just asking for trouble. (In the book, this is all but Ian Malcolm's sarcastic catchphrase.)
- This is the plot of the book and film Fail Safe. An accidental nuclear attack on the USSR is impossible, Mr. President. And Dr. Strangelove. In fact, they sued Fail Safe because it was so similar.
- In the novel The Amorous Umbrella the hero is trapped in a world based on the more melodramatic 1950s soap operas. By that world's natural laws, the surest way of committing suicide is to say "I've never felt better in my life".
- In the great Indian epic Ramayana, a Rakshasa general leads his 14,000 troops against one man: Rama. His last words: "He's only one man."
- Ravanna the Demon-King was so hard to kill because of blessings he extorted from Brahma that prevented gods and demons and such-like from killing him. He disdained to get immunities from humans or animals, because they were mere food. What could they possibly do?
- One of Spike Milligan's silly poems for kids has the King of China declare "I've never felt finer!" — and then promptly keel over and die.
- W. D. Robert's children's mystery, entitled "What could go wrong?" The answer? Just about everything that could when you have three kids (one of whom is very accident prone) and send them off to visit their aunt—alone. Oh, and don't forget the guys with guns.
- In Septimus Heap, Marcia's comments about Septimus's Darke Week opening up channels for the Darke to come out and Septimus's reassurance against it already foreshadow the outbreak of the Darke Domaine in Darke.
- Subverted in Harry Potter and the Chamber of Secrets when Ron asks "Have you ever heard of a plan where so many things could go wrong?" and while things don't go exactly according to plan, it does go mostly right.
- Jerome K Jerome 's Three Men On The Bummel:Three Englishmen go on a cycling trip through the Black Forest area of Germany around the turn of the last century. One of them speaks fluent German. Exercise, beautiful countryside, good beer. What could possibly go wrong?
- John Ringo 's Tiger By The Tail has the Kildar and Adams watching their team perform an assault, when the following exchange occurs:
Adams: "So far so good. You know what that means."
Kildar: "Yeah, it's bound to go to hell sooner or later. Wait, let me make sure. What's the worst that could happen?"
Adams: "Oh, you evil bastard."
- What's The Worst That Could Happen? takes its title from an offhand remark Dortmunder makes before he embarks on the initial crime of the novel; burgling an empty house. Needless to say, this crime goes horribly awry and Dortmunder gets arrested. After he escapes, he embarks upon a series of crimes in an attempt to recover the ring that was stolen off him by the householder who caught him. The phrase gets repeated before each of these crimes. Atypically, these crimes are spectacularly successful and net Dortmunder the biggest profits he ever makes in the books, but he fails to obtain the one thing he actually wants: his ring.
Live Action TV
- The premise of every episode of the 1984-86 US TV series Crazy Like a Fox. The series starred Jack Warden as Harry Fox, a free-spirited private detective who lived by his wits and John Rubinstein as his high-strung attorney son Harrison who unwillingly and frequently found himself dragged into his father's cases. The show's opening would always feature Harry and Harrison talking on the phone in their offices like this:
Harrison: Hello?Harry: Harrison, I need your help.Harrison: Dad, you keep forgetting. I'm a lawyer. You're the detective!Harry: Aw, come on son. All I need is a ride. What could possibly happen?
- Jeremy Clarkson saying, "How hard can it be?" on Top Gear, always uttered before they show a segment where the presenters have to work on cars.
- Richard: Oh, how I've missed the pang of dread every time you say the words "How hard can it be?"
- Lampshaded by Clarkson himself quite often when he says, after discovering just how hard it can be,
Clarkson: That's not gone well.
- In the Angel episode "Spin the Bottle," Lorne introduces the Phlebotinum:
Lorne: A memory spell — provided by one of my clients — that is guaranteed to bring our Cordy back to the way she was.Angel: Guaranteed?Lorne: No pain, no side-effects. I'm telling you, swingers, there's no way this can fail.Cut to Lorne, narratingLorne: So, I'm an idiot. What are you — perfect?
- A fine example in the Buffy the Vampire Slayer episode "Once More With Feeling":
Dawn: Come on, songs, dancing around... What's gonna be wrong with that?
- Snap cut to the demon Sweet looking at one of the dancers burst into flames.
- Lampshaded in an earlier episode:
Xander: As long as nothing really bad happens between now and then, you'll be fine.Buffy: Are you crazy? What did you say that for? Now something bad is gonna happen!Xander: Whaddaya mean? Nothing's gonna happen.Willow: Not until some dummy says, 'as long as nothing bad happens!'Buffy: It's the ultimate jinx!Willow: What were you thinking? Or were you even thinking at all?
Xander: You don't know. Maybe this time it'll be different.
- He then goes on to compound the error by saying
- Lampshaded on The West Wing:
Toby: It's not going to be a big deal.Sam: Isn't that what we usually say right before something becomes a big deal?
Josh: The President's daughter, chief of staff's daughter, a Georgetown bar and Sam. What could possibly go wrong?
- Played straight in "Mr. Willis of Ohio":
- Doctor Who:
- "The Satan Pit":
- The Doctor later lets loose with this at the start of the episode "Midnight"; his tone suggests he wants something to go wrong. And it does, and he's very sorry by the end of the episode.
- In "The Doctor's Wife" he's knocked together an improvised TARDIS from spare parts.
The Doctor: Right, perfect, look at that; what could possibly go wrong? (bit falls off the console with a crash) That's fine; that always happens.
- "The Horns of Nimon" — it gets lampshaded:
Romana: Don't you think that's a bit dangerous?
The Doctor: No, I don't. What could possibly go—
(lurch; the Doctor falls)
The Doctor: Ow! Wrong. You know, I've simply got to stop saying that. Every single time I say what could possibly go wrong, something goes—
- The predictable Sitcom variety is parodied on That Mitchell and Webb Look, in the "Get Me Hennimore" sketches. The boss gives his The Ditz employee a truly preposterous set of tasks to do, with maximum scope for confusion, embarrassment and general disarray, and tops it off by wondering aloud how his instructions could possibly be misconstrued; Gilligan Cut to the smoking aftermath. "HenniMOOOORE!"
- In the Star Trek: Deep Space Nine episode "Our Man Bashir", Garak ends the teaser by saying "What could possibly go wrong?" Well, it's probably a Lampshade Hanging for the frequency of a Holodeck Malfunction in a fairly trope-heavy episode. The holodeck later malfunctions and they're stuck in a James Bond simulation for the entire episode.
- In Honey, I Shrunk the Kids, when Wayne says it, the dog he's talking to leaves the room.
- Jimmy Fallon used this in a joke while hosting the 2010 Primetime Emmys:
- On Doogie Howser, M.D., Doogie's best friend is trying to convince him to go with him to check out an car after work. He warns Doogie not to try to get out of it with some gallbladder emergency. Doogie assures him it's an Wednesday and nothing ever happens on an Wednesday. Then he walks away from the TV where the news announcer says "The Verdict in the Rodney King Trial has just come in," and the Intro begins.
- Said word for word by Dean in the season 7 finale of Supernatural, about making a bargain with Crowley.
- In the Mystery Science Theater 3000 episode covering Soultaker, during one of the host segments, when Mike declares that despite all expectations he's fixed the Satellite of Love.
Mike: ...what could possibly go wrong?warning beep, overhead oxygen masks dropServo: How about everything?!all scream as SoL nosedives
- Crichton on Farscape has said this non-ironically several times. And immediately tries to take it back afterwards. It doesn't help.
- Being very Genre Savvy, Chuck and Morgan on Chuck are very quick to comment if someone says it. Hilariously, even Casey calls Sarah out when she invokes this trope.
- Stargate SG-1: In "Arthur's Mantle", Carter is fiddling around with an Ancient device and discovers the device is emitting a fluctuating energy signature.
Carter: I'm gonna try to stabilize it.Mitchell: Sure. What have you got to lose?They're both immediately put "out of phase" and can't interact with the rest of the cast. And Mitchell is usually so Genre Savvy.
- MythBusters: The narrator often uses this phrase, as do the hosts on occasion. When the Narrator uses it, something usually (but not always) goes wrong; when the hosts use it, they're usually using it as ironic Lampshade Hanging of how dangerous the situation is, so it's a toss-up as to whether something actually will go wrong.
- Subverted in Malcolm in the Middle: Reese and Malcolm blackmail a pervert to facilitate underage gambling, and Malcolm says this trope to the audience. Nothing really bad comes of the scheme, and they're never found out - the only problems come from what they spend all their winnings on.
- In the Father Ted Christmas episode Mrs. Doyle informs Ted that in his absence Dougal has conducted a funeral service. Ted is horrified but Mrs. Doyle asks how bad it could be. Cut to the cemetery, where the mourners are distraught, the hearse is on fire in the grave and Dougal is looking even more bewildered than usual.
- These exact words are uttered in the Season 4 episode 22 of Raising Hope. "We have three days, your father's credit card, and a wedding planned by an eight yearold. What Could Possibly Go Wrong?"
- What Could Possibly Go Wrong? is the title of a show on Discovery revolving around this trope. The initial idea/inspiration for a build is never terribly well thought through, but that won't stop the hosts from trying it anyway.
- The logo for Nothing Can Go Wrong Now Productions as seen on The Pitts and Complete Savages is basically this trope.
- Calvin and Hobbes, about Calvin's plan to push the car out of the garage so they can use it as a clubhouse:
Calvin: We'll move it 10 feet. What could possibly go wrong?!Hobbes: Whenever you ask that, my tail gets all bushy.
- And with good reason. The car winds up rolling out of the driveway, down the road, and into a ditch.
- Dilbert has had its characters making any number of observations to this effect, but this is one of the most blatant examples:
- Oh, boy! It's a title of a oddball story from about Tour De Paris for prisoners. If you don't believe me—check this out. 
- In Jimmy Neutron's Nicktoon Blast, Jimmy responds, "What could go wrong?" when Carl questions how safe it is to have mere guests help chase down Ooblar in the "slightly unpredictable" Mark I rocket. Even further foreshadowing the chaotic events of the ride, Jimmy proceeds to turn on the Mark I rocket, which immediately sparks and sputters in response.
- Bubsy is responsible for the Trope Namer, with it being his catchphrase. He also extensively says it in the unaired pilot, and the saying is even the pilot's title!
- RuneScape: "A creepy child in a dark clearing. What could go wrong here?" She turns out to be an immensely powerful vampyre, that's what.
- Dead Space; breaking down entire planets for their mineral resources, hmm, not too bad, already pretty dangerous, but it's mundane dangerous, what are the odds of finding some VERY unwanted cargo when you start mining the place? Though you eventually discover it's closer to Gone Horribly Right. Given how much Hollywood Biology you need to justify a species surviving having its planet torn apart...About a Million-to-One Chance.
- In Dr. Muto, Dr. Muto says this before turning on his everlasting power source, which five seconds after being turned on blows up the entire planet, except for his house.
- Half-Life. Black Mesa. "The possibility of a Resonance Cascade scenario is extremely unlikely". Of course, there wouldn't have been a game without it. (Freeman's Mind: "Yeah, well, that's why we have insurance.")
- Usedd in Dragon Age II, in which Varric observes that 'I don't like this' is right up there with 'What could possibly go wrong?' when it comes to Tempting Fate. This is also one of Snarky! Hawke's lines during their last talk with Varric before the final battle, and he will call you on it again.
- Homeworld Cataclysm. Let's open a million years old alien pod after having tucked ourselves in the furthest corner of the galaxy, where no one can come to our aid in case something goes wrong!
- Persona 2: Innocent Sin, when the party is at Xibalba, where it's revealed later on that their thoughts become reality there: (Fan Translation version.)
Ginko: I've had just about enough! The scenery here never changes!! Enough, enough, enough!Eikichi: Quit whining!! How about this idea? Would you be happier if there had been a waterfall or somethin'? Huh!?Maya: Shh! Be quiet... That noise... Could it be!?(Cue Waterfall up ahead.)
- BioShock: Andrew Ryan wakes up one day and goes, "I know, I'll create a submerged city with 1940 technology where the law of the jungle is the only real rule, and everyone is free to do whatever they wish as long as it profits them. What Could Possibly Go Wrong" When the player stumbles upon it, the question that comes to mind is "What didn't?"
- In Seven Days A Skeptic practically everything on the ship is built on the assumption that nothing will go wrong (whereas in Real Life the opposite holds true). Examples include escape pods that need to be fueled up for hours before use and the captain's suite emergency unlock, which is installed on the inside. The ship's scanners can also track the number of living beings on board but not their locations, the power source is mounted in a huge shaft with no railings, there's a glass-domed observation deck with no apparent protections against micrometeorites (or radiation, for that matter) and the prison cell uses a force field instead of metal bars that won't vanish in case of power failure. No wonder the engineer spent most of his time hiding in the dining area and making the counselor fix things for him - he must've had a breakdown on the first day and been in denial since.
- In Mass Effect, the Reapers play the Batman Gambit by letting species of the galaxy find their technology littered across several star systems just so they can advance to a desirable state, ripe for a galactic harvesting. Really, how can this backfire?
- In Star Wars: Jedi Knight: Jedi Academy, Jaden Korr is tasked by Kyle Katarn to destroy illegal weapon caches in the planet Ord Mantell. He says: "This should be easy. Just plant some charges, watch the fireworks and come home. What can go wrong?" Well, one notorious clone bounty hunter might just appear.
- Hana says this at the end of Fear Effect 2: Retro Helix. It shows the King of Hell surrounded by fire and laughing hysterically. Those who have played the first game should know exactly what could go wrong.
- The haiku that describes the Black Cat familiar in Kingdom of Loathing is "What a cute kitty!/What could possibly go wrong,/with her at your side?" It is one of the two most actively harmful familiars in the game, reducing experience gains, depleting MP, destroying randomly dropped items, and occasionally preventing the use of skills and items in combat.
- In World of Warcraft, an Alliance quest in Vashj'ir has you go kill some demonic octopi that are mind-controlling some of the gilblins and take their heads. The NPC who gives you the quest then suggests you put one of them on your own head, quoting this trope. It turns out the demonic octopus wasn't quite dead...
- Also in Mt. Hyjal, a quest giver who wants you to save panicked bear cubs stuck in trees by throwing them onto a trampoline states "Nothing can go wrong with this plan.". Unless, of course, you miss the trampoline and throw the cubs to an untimely, squishy death.
- In Saints Row: The Third, after blowing up a S.T.A.G. aircraft carrier, Pierce will ask what more S.T.A.G. could possibly throw at them. One cutscene later, S.T.A.G. has imposed martial law, raised all of the bridges, and filled the streets with tank squads.
- In Halo 4's Spartan Ops, there is one chapter titled "Nothing Can Go Wrong". The next chapter is, of course, titled "Everything Has Gone Wrong".
- In Dungeons & Dragons Online, in the level 7-8 Sentinels of Stormreach quest chain, at the beginning of the Island Assault quest, you are discussing with a House Deneith captain how to go about approaching the island fortress of pirates that are attacking Stormreach, where you are supposed to sabotage its defenses to allow for a full House Deneith invasion. The Captain and the House Deneith Spymaster both offer to bring you to a sensible, remote spot on the island, from where you'd have to make your way inside. The House Deneith archmage however, suggests to magically teleport you, despite a teleport lock protecting the island, by going as close as the teleport lock allows. Following his plan, your character proclaims "Of course! Clearly, nothing could go wrong with this plan!" Jump Cut to your teleport transporting you right onto the bridge of an anchored pirate ship, immediately being attacked by a red, named Minotaur Mini-Boss.
- Almost said word-for-word in the job application ad at the beginning of Five Nights at Freddy's 2. Let's just say that it starts at murderous animatronics and gets worse from there.
- In the introduction to the "Tool Fool" quest in Archie: Riverdale Rescue Archie, who plans on using a calculator to help him with his algebra homework, says this word for word before realizing that he forgot to get new batteries.
- Subverted by The Book of Unwritten Tales:
Nate: Oh come on, this temple is ancient. What could happen to us here?Nate: Shouldn't something unexpected have happened there?
- Double Subverted a moment later, when the floor collapses under the characters.
- In Fallen London, if you want to convert a large number of Maniac's Prayers into Correspondence Plaques, the associated option is described entirely with the phrase, "This is a plan without a flaw nor any possibility of error!".
- This strip of DM of the Rings is an exemplary usage.
- A Redtail's Dream: as soon as they say that, you know some disturbances are definitely going to be made.
- This strip of Anders Loves Maria.
- This Kevin & Kell strip.
- 8-Bit Theater seems like it's on the brink of invoking this trope:
Red Mage: And now that I've described the plan in full, nothing can possibly go wrong.
- Frequently invoked in Narbonic, particularly here (the bottom comic).
- The bunny - Oh God the Bunny.
- In El Goonish Shive, one strip is titled "Surely Nothing Bad Can Come from This"
- In Monster of the Week strip Tunguska Mulder forgets that he's in TV show and asks Scully what could go wrong. Well... he's in Russia. With Krycek. Seconds later, they're attacked by angry Russians on horses and captured.
- Said word-for-word by Dora in this Questionable Content strip, referring to hanging pictures while drunk. By the next strip, the inevitable has happened.
- Said several times in Schlock Mercenary, and started many more, but the speakers were cut off by someone else.
Ventura : Oh come on what's the wor...Kevyn : You have not worked here long enough to be allowed to finish that sentence.
- Or this classic :
Thurl : It'll be a perfect, low risk shakedown tour. I've run a cost-benefit analysis, and it remains profitable even in extreme contigencies.Tagon : Did you weasel-word your way around saying "What's the worst that can happen?"Thurl : Hey, you just now invoked Murphy, not me. Those weasel-words are there for our protection.
- Or this classic :
- Stand Still, Stay Silent: Well, harder than you think.
- Elevated to the point of a Running Gag in Bob and George.
- A classic XKCD takes this into Space Whale Aesop territory.
- There's a magical girl in To Prevent World Peace who actually uses this as an attack phrase.
- Freefall gives us our page image. It also shows that Varroa has less sense than Sam.
- DeceasedCrab likes this trope a lot as he often says "What's the worst thing that could happen? Please don't answer that." Since he has played every game that he LPs before, things often do go wrong afterwards.
- Rebecca from Demo Reel says this right before things start going diabolusly wrong. As an actress who has produced her own one-woman shows, she really should have known better.
- The two Michaels in Doomsday Arcade often, in early episodes, come up with ideas, complete with Imagine Spot, and say "I see no other possible outcome". Naturally, none of these plans work at all, which leads to their eventual observation that they should really stop saying that.
- Common scenario of GeminiLaser's Blooper and Tricks videos. But this one takes the cake.
- Raising Angels: The author literally invokes this trope in the story's tagline.
- Whateley Universe: Phase said it in an early chapter of Ayla and the Birthday Brawl. Readers know what Phase doesn't: an internationally feared supervillains with a major grudge against Team Kimba was told about Ayla's planned party, and has a week to plot something really nasty.
- Phase probably knows just what's going to go wrong, seeing as it's happened on both of his previous trips... and has had everyone else telling him exactly just that for a few episodes. In consideration of this, he's managed to invite - in a relatively roundabout way - enough students with oddball and incredible powers, alongside an ex-Admiral with a nanite swarm guiding her every move. Obviously, this means that he's prepared for nearly every eventuality.
- In Noob, the secret that got revealed in the franchise-wide Wham Episode must have been in this situation prior to being uncovered. On one side, the creator of the game was getting his star player's gaming avatar illegally boosted as a marketing ploy to make him an unattainable goal for other players, without said star player's knowledge; in other words, a situation that would be quite bad for him if it ever got discovered. On the other hand, a hacker who wants to drive people off the MMORPG in which the story is set is known to be regularly breaking into the game's system. It was totally not a matter of time before the secret would become public.
- Used sarcastically in the PC Gamer Saturday Crapshoot article written by Richard Cobbett on the Leisure Suit Larry wannabe Les Manley: Lost in LA.
Cobbett: Normally, a sequel is the game that takes the good bits of the original and makes the most of them. Since Search for THE KING had no good bits, Lost in LA was in trouble. Its solution? Grab a camera, hire some bikini girls, and hope like hell that sexism would sell. What could possibly go wrong?
- The Fairly OddParents!:
- When Timmy gets his daily life turned into a reality TV show, Executive Meddling forces him to adopt the trope title as his Catchphrase. Then, when Timmy invokes the phrase while referring to his mom's cooking, she thinks Timmy is insulting her and promptly grounds him. In turn, Timmy's mom ends up getting replaced by Florence Henderson.
- Most of the time it's played straight, however. That became his catch phrase because he actually does say the trope title often. It's almost a Once per Episode thing for Timmy. It's used so often that when things inevitably go bad when Timmy wishes to be in an old cartoon, Cosmo complains that no one had a chance to say what could possibly go wrong yet.
- This is literally the title of the pilot (and only) episode of the cartoon based on Bubsy. It's also his catchphrase during said show.
- This becomes Spanky Ham's catchphrase on Drawn Together.
- In the Hey Arnold! episode "Curly's Girl", Rhonda plans to wear her mother's birthday present mink coat, thinking nothing can go wrong. Surprise, she gets a candy apple stuck on the white coat, leaving a big red stain. This sets up Rhonda's problems for the rest of the episode, when Curly uses her predicament to blackmail her into pretending to be his girlfriend.
Rhonda: I can't believe this! My mother's mink!
- Ben 10: Omniverse has an episode with Ben in an alternate universe. His counterpart says the phrase. Ben expects it to be bad, but nothing happens because they're in another universe and apparently, in that universe the phrase isn't associated with bad things happening.
- In the South Park episode "Free Hat", the boys form a club to save movies from their directors. When they get an appearance on Nightline, Cartman says he will speak because he's the spokesman. When Kyle tells him not to screw up, he says the trope. Besides immediately relinquishing the job to Tweek when Ted Koppel asks why they advocate toddler murder (It Makes Sense in Context), the appearance also gives Steven Spielberg the idea to remake Raiders of the Lost Ark.
- Regular Show has quite a few examples, especially Appreciation Day, which has a manager's book in which only the truth can be written. Rigby and Mordecai write tall tales in it.
- In the Duckman episode "Clear and Presidente Danger", Duckman begins wondering out-loud about becoming the new leader of the third-world country Porto Guano and ends with "What Could Possibly go Wrong?" Cornfed breaks the fourth wall to say to the audience "For a complete list, please send $12 to Journal Graphics, Washington, DC, 20300."
- The basis of virtually every mission the Vulture Squadron encounters on Dastardly and Muttley in Their Flying Machines.
- Looney Tunes: Wile E. Coyote usually asks a variation on the theme, shortly thereafter finding out exactly what can go wrong.
- In the famous "Itchy & Scratchy Land" episode of The Simpsons, the family is taking a helicopter into the park when the pilot comes over the PA: "Welcome to Itchy & Scratchy Land, where nothing can possibligh go wrong. ...Possibly go wrong. That's...the first thing that's ever gone wrong." Most of the rest of the episode is an homage to Westworld, featuring murderous Itchy and Scratchy robots malfunctioning and trying to kill everyone.
- In Robot Chicken's Star Wars special, a segment focuses on Palpatine having a very bad day as he first arrives on the second Death Star, culminating in the air conditioning duct over his chair breaking and blasting him continuously with frigid air. He turns to his red-robed guard and says
Palpatine: Wanna see me tempt fate? "Could this day possibly get any worse?" I did it ironically, so I think we're okay.
- Cut to Darth Vader throwing him into the reactor shaft.
- At the end of the Avatar: The Last Airbender episode "The Earth King" Sokka says "Come on. What could possibly go wrong?". Cue cuts to different plot revealing ways it will, by Ba Sing Se being taken over by Azula and the Fire Nation.
- Used for effect in Young Justice, Season 2 features Artermis coming out of retirement to help the Team one more time, with her reassuring Wally "What could happen?" Flash Cut to Nightwing declaring her dead hours later. Subverted in that Artemis's death was faked. The discussion was serious, but actually directed towards what could happen afterwards, which actually ended well... for Artemis at least. Double Subverted in that something bad ultimately happens to Wally.
- Let's simulate a power blackout in our nuclear power plant to field-test the new emergency cooling system we installed. Oh, but wait, that's not enough - we also need to disable all the safety precautions, and then end the experiment with an emergency measure that was never meant to be used routinely. Oh, and do it with the less-well-trained night shift. And did we mention that the designer of our plant had never designed a nuclear reactor before in his life? What could possibly go wrong?
- The 5 Scientific Experiments Most Likely to End the World, courtesy of Cracked, invokes the trope by name.
At this point you should be hearing ominous music and people ignoring a lone researcher's desperate warnings.
- This more recent article has this for #5 among others, where a life form grows instead of dying when subjected to extreme gravity:
- A highly-contagious pathogen being tested in a lab in tornado alley. Slashdot link (note the tag).
- We want the ship to look good on the papers, so punch it and never you mind the icebergs. After all we've got a fancy new doublebottom-hull, we're able to stay afloat with four compartments flooded instead of the usual two, and we have four more lifeboats than is legally required! What could possibly go wrong?
- The "perfectly safe" Hindenburg. While it seemed safe enough at the time, in hindsight, flying around in a balloon filled with hydrogen is pretty dangerous. To quote Wikipedia, "nowadays helium is preferred because of its lack of flammability." No kidding. Also, while it wasn't precisely painted with rocket fuel, the metallic paint on the thing didn't help in the least.
- Oddly enough, airships were actually incredibly safe for aircraft of the time - it seems counterintuitive, but the inherent risk of hydrogen gas and early 1900s technology had, until that point, been countered by the inherent safety and stability of the relatively slow ships. With loads of redundant engines and gas cells, they are naturally at home in the sky - they don't come crashing down to earth if a wing or rotor comes off, or an engine fails. The Graf Zeppelin in particular proved perfectly reliable during circumnavigations, polar expeditions and a million transatlantic miles. This is why people trusted the German Zeppelin brand in particular- the Zeppelin company had a perfect passenger safety record since the aircraft was invented nearly forty years prior to the disaster, making the Hindenburg the first and last passenger Zeppelin to come to a fatal end.
- It didn't help things that Hitler was already looking somewhat Ax-Crazy round the time that Hindenburg was being built. Had he not torqued off the United States enough to have them embargo helium (of which they had the biggest supply at the time), the disaster could have been avoided.
- There was once an airship called the R-101. Devised as a part of the British "Imperial Airship Scheme," the contract pitted two competing designs against one another: the exemplary Vickers-built R-100, and the government-built R-101. The materials, design, and capabilities of the R-101 were woefully inadequate in comparison to the R-100, to the point where the airship had to be lengthened so that it would have enough lift to fly, making it the largest airship in the world. More consideration was given to the incredibly spacious, opulent (and heavy) interior than to airworthiness. Eager to get a lead on its rival, the government pulled strings to have flight and safety testing rushed through or neglected so that it could make a maiden voyage to India. Despite being warned of a vicious storm ahead, the captain decided to plunge straight into it. The R-101 never made it to India. She was damaged by the storm and crashed into the ground, where her hydrogen exploded in a massive fireball that took the lives of all but eight of the people aboard.
- The superb Aston Martin Lagonda from the mid-1970s. A spaceship on wheels, teeming with Space Age electronics, coming from a company reputed until then for the exact opposite, technological conservatism and manual labour. Everyone seemed to think multiple CRT color screens, renowned for decades for being power-hungry and hot, fit nowhere better than in the cramped spaces beneath a car's dashboard.
- The New Coke. Let's radically change the recipe for our much-loved flagship soft drink, keep the same name, and take the old one off the shelves. Now, according to The Other Wiki, Coke did do their best to prepare for it, and it actually was well-liked. The real problem was a subtler one of a Vocal Minority gradually convincing people it was bad. If true, that speaks volumes.
- The crazed backlash against New Coke put Coke Classic back on top of the sales charts. Some people think that was their plan all along. Another, less roulette-y theory is that they did this to switch from sugar to far cheaper high fructose corn syrup; a change they retained, and still do, with Coca Cola Classic. note
- In 2011, Coca-Cola's did it again: Let's release a holiday version of Coke Classic in white cans (the color of Diet Coke cans) and hope nobody gets confused. It didn't go over well, and Coca-Cola has since released the holiday version in red.
- In a perhaps slightly more subdued example, Coke switched from an easy-to-grip ridged cap to one that is themed as a bottle cap, but completely smooth. Cute, but wrong. They have since adopted some sort of hybrid.
- The History Channel's Modern Marvels series does a sub series titled "Engineering Disasters" every now and again. Every one of them seems to invoke What Could Possibly Go Wrong at least once per episode. They've produced 21 hour long episodes and still haven't covered everything. National Geographic Channel has Seconds from Disaster which is the same thing.
- Subverted by an experimental reactor in Switzerland. While the guy in charge had a "What Could Possibly Go Wrong" attitude, the engineers considered this phrase a serious question, and built the reactor in a cave just in case they got an answer. Naturally, they got an answer, and sealed up the cave.
- This article about a possible war against Iran is Exactly What It Says on the Tin.
- The "Big Dig" in Boston. "Let's replace the unsightly and congested Central Artery expressway with an underground tunnel! Then, let's reclaim the land where the old highway used to be, building parks, gentrifying the slums that developed around the highways, and de-congesting surface traffic! What Could Possibly Go Wrong?" Two decades, $15 billion, several lawsuits and four deaths later...
- The Rolling Stones hired Hells Angels to work security at the Altamont Free Concert and paid them in beer. At least one audience member wound up dead.
- It's the dawn of the jumbo-jet era, and McDonnell Douglas' rival Boeing has just released a massive four-engined marvel, the 747. What, it's too big for many airports? Ah, we have a slightly smaller tri-jet almost finished! Let's get it on the market, there's a niche for us. What? The cargo door blew open during the pressurization test? The locking mechanism is prone to failure? Ah, never mind. It's extremely unlikely to happen in flight, besides, it's not likely to do a serious harm to a big airliner, right? ...What? The cargo door did blow open in mid-flight, the severed floor damaged the flight controls and a crash was barely avoided due to piloting skills and some sheer luck? Oh. We can't redesign the door locking system, we'd have to pull all the planes off the market and admit there is a serious flaw. Think about the contracts we can lose! Let's add a small window to allow the ground crew to check if the doors are properly locked, and a small plate with instructions in English (all the ground crews all over the world speak English, right?) on how to check it. What could possibly go wrong?
- Considering how crucial the proper maintenance and repairs of an airliner are, it's no surprise that the manufacturers give the operators a detailed repair manuals on how to do it properly. Still, many operators devise their own procedures, with predictable results. There's a reason why it's said that maintenance procedures are written not in ink, but in blood.
- The removal of an engine from the wing for maintenance requires removing the engine first and then the engine pylon? It's too time- and money-consuming. Let's get a simple forklift and remove it altogether.
- The pilots landed with the nose raised too much and scraped the tail? The book says we have to cut the damaged section and put a doubler plate much bigger that the one we just removed? Aww, who cares. Let's simply polish the damaged part and use a plate big enough just to cover the damaged section. Or: let's do it by the book, but use two smaller doubler plates instead of one.
- The jackscrew responsible for moving the elevators needs to be frequently lubricated? The lubrication must take four hours to complete? Let's do this less often, and for one hour instead of four.
- The inertial navigation system goes berserk? It's too expensive to be replaced. Maybe it's failing because the connections got dirty? Just clean them. Does not work? Well, then swap it between different airliners.
So simple, so clever, so time- and money-saving. What could possibly go wrong?
- Despite the relative rarity of accidents per passenger mile, the Airline Industry is justifiably hammered for its tendency to be laissez faire with safety regulations. Part of the reason? The de-regulation of the airline industry, which placed more load on the airlines with cheaper fares, more planes and overworked ground crews which are difficult to staff due to the extensive training needed to become a qualified aircraft mechanic.
- The pilot is a WWII fighter ace and co-pilot is a WWII reconnaissance pilot, so they both are very skilled flyers. Oh, they have spent the previous evening in a nightclub — hey, this is Finland and little drink cannot do any harm, and after all they are war veterans and used to sleepless nights. The weather is bad, so let's fly a little lower than what the air traffic control allows. Oh, and the flight is a bit late, so let's make a little bit tighter landing pattern on that DC-3. What could possibly go wrong?
- When buying insurance, reading the fine print will often be a list of things that can possibly go wrong.
- Vice-Admiral Vernon's attack on Cartagena de Indias in 1741. The British had 30,000 men and 186 ships. Cartagena's walls, while impressive, were manned by only 4,000 men and 6 ships, and reinforcements weren't expected. Vernon was so confident in his victory that he wrote back home claiming to have seized the city before fighting was over. What Could Possibly Go Wrong? For one, how about the enemy ships use chain balls to destroy your ships' sails and render them useless instead of engaging in normal naval combat? What if the enemy digs trenches on the base of the walls and the ladders you brought suddenly turn out to be too short to climb them, and your men only realize this when they are at the walls and can't cover themselves from enemy fire? After a while, the British fleet found itself sitting in the bay below until the tropical storms and diseases convinced it to go home, leaving nearly 12,000 dead and 50 ships lost behind. We can only imagine George II's face when he was told that the victory he had been celebrating for one month and for which he had forged a couple of commemorative medals was actually the biggest defeat in the Royal Navy's history up to that point.
- Murphy's Law is an adage that explains why saying this sort of thing is a bad idea. Basically, it says that "If something can go wrong, it probably will."
- Although the above is now the most-used version, there are variations such as "when nothing can possibly go wrong, it will" and the original version was a warning to aircraft mechanics that "if a part can be installed wrongly, it will be installed wrongly by someone, some time".
- Let's release two dozen rabbits to, well, breed like rabbits in the Australian wild. It "could do little harm and might provide a touch of home, in addition to a spot of hunting." What could possibly go wrong?
- Similarly, cane toads.
- Our beloved Scottish island of South Uist is overrun by slugs, so let's release seven hedgehogs to eat the slugs. Er, what was that you said about the rabbits in Australia? What has that got to do with our problem?
- July 22, 2011: Let`s reduce the number of Norwegian rural police offices for efficiency, and then see to it that everyone adheres to a chain of command without questioning. Then see to that the number of sufficient boats at Tyrifjorden is less than adequate, because nothing ever happens there. Let`s also plainly forget the crucial note with a certain car registration on a desk, and then see to it that not a single policeman actually knows where a certain massacre happens. What Could Possibly Go Wrong?
- Also: When a certain young man tries to purchase a farm, let him have it, although the former owner clearly warns the officials against him...
- So you're the captain of a ship that has been sailing in heavy fog for several hours which has just entered a heavily-used shipping corridor, and the radar is detecting another ship is headed in your direction. You could turn the ship to starboard like every captain is trained to do in that situation...alternatively you could decide that you know better than every other captain and turn to port, expecting plaudits from the radar operator on the other ship when they see your quite brilliant piece of seamanship. What could possibly go wrong?
- I'm sure that those 294 flood defence schemes across the UK don't need their funding. What could possibly go wrong?
- What's that? There was a loud bang from the ship's bow doors? Oh, let's just keep on going, how bad could it possibly be?
- Your low lying city is surrounded by water on three sides and has a coast to the one body of water where most of the hurricanes in the world originate? Well, why would you have to spend money on dams and levies? What could possibly go wrong?
- Sure, let's put streetcar wheels under a high speed train after we previously skimped on decent suspension, so the whole train vibrates and the plates in the restaurant car start moving around. For that matter, let's put a switch right before a bridge on a high speed line. And when a streetcar operator using the same wheels as we do warns they break earlier than expected? Well, this can be handled by whoever got or didn't get the memo. Oh and when the results of routine checks are so off there has to be something wrong? Well obviously it's the test that's wrong. Nothing to see here, carry on. And if you are a passenger on a train for god's sake, don't ever pull the emergency brake. Even if a piece of metal (turns out it was the rest of a wheel) pokes through the floor where you sit. Better search a conductor and ask for permission first. This is Germany, after all. What could possibly go wrong?
- It's 1999. Seattle is a hip, up and coming city with a thriving port for international trade, a large tech sector, and aerospace companies. However, it's still a small city compared to New York, Los Angeles, or San Francisco with a relatively small police department and emergency services who haven't been trained for large gatherings. The streets and traffic are a notorious mess, but so are a lot of places. Oh, and it's known for being liberal, and those workers' rights guys, hippie environmentalists, lazy union guys, and religious nuts are just silly complainers. It can't be too much of a big deal. Queue the World Trade Organization meeting, 50,000 protesters, and a week's worth of trouble for the city that eventually ended with the mayor and chief of police being forced to resign.
- During the air show, let's make the pierced heart formation. We only need to have two groups who make the heart shape with a solo that goes really near them straight to the crowd, but extremely close to the crowd. Except the fact that a metal band could use the name of the air base where the show was being held and accidentally double the letter 'M', what could go wrong?
- The roller coaster I'm operating has just been shut down by the safety system? Well, obviously it must be the safety system that's at fault, and surely there can't be any serious problems arising from ignoring a safety warning?
- I'll do a solo summit of Mount Everest, with no supplemental oxygen or a radio just because (even though Everest's summit is the death zone). After all, I'm an experienced climber with several summits including two previous attempts on Everest (in which I lost several toes to frostbite). It's very cold tonight and the summit is very exposed, I'll just rest in a cave named after a famous corpse, it's not like anyone might mistake me for him or assume I died and not stop to offer help. What could go wrong?
- I'm managing one of our DC-8s, which is currently shipping Nigerian pilgrims to and from Mecca. What's that, Bob? Nigeria Airways is giving our passengers to other carriers because we're not keeping to schedule, and we could lose the contract? Crap, our maintenance crew wants to change two of the tyres - that's going to delay us! I'd better fax Jean-Paul to tell him to stop the tyre change immediately and get the plane to Jeddah.
Now we're at Jeddah and we've had to wait overnight. The plane's ready to go, but Jean-Paul wants to top up the tyres he wanted to change and can't find nitrogen. Forget it, Jean-Paul, we're leaving - we have to get back to Sokoto, and Bob's already chewed me out because we're behind schedule. Get on, let's roll, and we don't have time to tell Bill, Kent, and Vic that the tyres are below minimum pressure. Even if a tyre does blow, blown tyres aren't a problem in Canada - Saudi Arabia is no different, right? What could possibly go wrong?