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* AccidentalInnuendo:
** In "Skips Strikes":
--> '''Benson''': Who would of thought that a mandatory team building activity would get us to the championship?
--> '''Mordecai''': Thanks to my power hook!
--> '''Rigby''': No way! Thanks to my atomic fireball!
--> '''Benson''': And because of my *chuckles* backup balls!
** In "Cruisin'"
--> "Carmenita's special parts should only be manipulated by a professional."
* AlasPoorScrappy: In "Merry Christmas Mordecai", [[spoiler: even Mordecai/Margaret fans, felt horrible for poor CJ, when Mordecai and Margaret kissed in front of her having CJ leaving heartbroken and in tears, though Mordecai does make up for it in "Sad Sax"]].
* AlternateAesopInterpretation: Sometimes the weirder-looking ones are better people than normal-looking humans.
* AlternativeCharacterInterpretation: In "House Rules" Mordecai [[spoiler:learns that Rigby may die young or just leave Mordecai]]. Have episodes like "Think Positive", "Best Burgers in the World" and "Replaced" made him more lazy in order to hang out more with Rigby?
** Margaret in general. Is she a truly studious person who was genuinely heartbroken when she broke up with Mordecai so she could go to her dream school? [[BitchInSheepsClothing Or did she string him along and dump him like a hot potato the minute she got accepted into college]]? There is also the whole issue of her only personality trait in early episodes is that she likes to date a lot of different men.
** "Lift With Your Back" and "Eileen Flat Screen" both imply that Rigby is more mature than the show usually gives him credit for; it's just that we normally see him through Mordecai's perspective, as his idiot friend. It's also just showing his BrilliantButLazy tendencies, and that Rigby could probably improve so much about his life if he ever gave a real damn about anything.
* AnimationBump: Averted. The animation was actually more fluid in ''earlier episodes''.
** It is played straight in that the character models are consistent throughout an episode, unlike the older episodes, particularly season 1, which were prone to OffModel issues.
* AntiClimaxBoss: [[spoiler:The Night Owl is defeated fairly quickly in his owl mech.]]
* ArcFatigue: The development of Mordecai and Margaret's relationship has been ''agonizingly'' slow. After four seasons of Mordecai making minimal effort to take their relationship beyond friendship, Margaret finally gives him a kiss when he sees her off at the airport. So they're finally together, right? Nope, next episode involving them says that Mordecai is still considered to be in the "friend zone". At the end, they share a mutual kiss, and the next episode has Margaret introducing him to the rest of her family. But "Steak Me Amadeus"'s plot revolves around Mordecai asking Maragret to be his girlfriend and getting heartbroken when Margaret shoots him down. Given everything that had happened prior, it was pretty easy to think that ''she already was''.
* AssPull: It's obvious they weren't planning on Thomas turning out to be [[spoiler: a Russian spy]] when he first appeared, as the retconning in the flashbacks seems rather forced. However, some of the scenes that don't feel like forced foreshadowing do explain a lot about Thomas and why he didn't seem to be featured a lot after being introduced in "Exit 9B."
* AuthorsSavingThrow: ''Lift with Your Back'' kind of plays with this. It addresses the common accusation that Rigby is TheLoad by having him actually follow through with a job on his own. While that happens, the episode also calls to attention that Rigby has been a more reliable friend for Mordecai than anyone was willing to give him credit for.
** ''Eileen Flat Screen'' goes even further by showing Rigby doing something nice for Eileen by not only taking her new flat screen home, but also installing it for her. And he does it of his own volition, instead of being talked into it by Mordecai or CJ. In earlier episodes he would have whined the entire time and refused to take it seriously, thus showing that [[CharacterDevelopment Rigby really has changed for the better.]]
* AwesomeMusic: [[AwesomeMusic/RegularShow Now with its own page.]]
* BaseBreaker: Benson is either a strict boss who has to put up with Mordecai and Rigby's antics or an insufferable {{Jerkass}} who threatens to fire them for the [[DisproportionateRetribution stupidest reasons]].
** Muscle Man is either a hilarious OneSceneWonder ([[SpotlightStealingSquad more or less]]) or an OverusedRunningGag with an annoying voice.
** Even Mordecai and Rigby fall under this; either they're BrilliantButLazy characters who are treated poorly by Benson, or they're [[JerkAss annoyingly lazy jerks]] who [[KarmaHoudini get away with their antics]] at least 90% of the time.
*** Rigby moreso. He's either a great JerkWithAHeartOfGold or an obnoxious douchebag that Mordecai should just get rid of.
** Margaret is either a funny, well written supporting character or an annoying, bland plot device for Mordecai.
** Thomas, the new employee is either an okay addition to the cast or he's TheGenericGuy with no mention whatsoever how he got the job or why the park needs an intern (though in "Exit 9B," it is implied that he is there for college credit), though "The Real Thomas" reveals that he's not who he claims to be.
** Pops is either cute due to his [[{{Cloudcuckoolander}} naive personality]] or annoying for the same reason ([[ArsonMurderAndJaywalking and his large head]]).
** CJ- is she becoming a Margaret {{Expy}}? Should she and Mordecai stay just friends or start going out? Would it feel forced if they did go out?
** Who should Mordecai be with? CJ or Margaret? Does he even deserve to be with either as of "Merry Christmas Mordecai"? [[spoiler:As of "Sad Sax," the answer is that he's deeply sorry for breaking C.J.'s heart, doesn't love Margaret enough to be with her anymore [but still likes her], and wants to be with C.J.]] Speaking of "Sad Sax," was Mordecai's quest to make up with C.J. over the events of "Merry Christmas, Mordecai" sincere or was this a cheap way to piss off fans who want Margaret and Mordecai to be a couple?
* BigLippedAlligatorMoment: Averted. Weird stuff does go down on the show, but, unlike most Big Lipped Alligator Moments, the weirdness is part of the plot and gets [[{{CallBack}} referred to in later episodes]].
* CrazyAwesome: The first two-thirds of most every episode is pretty straightforward and nothing unusual for most TV shows, but when you come to the last third, you'll have a hard time picking up your jaw.
** Case in point, the Christmas Special's finale involves Mordecai and Rigby freefalling into a pit of molten lava to stop an evil elf from destroying Christmas with a magic present... while [[SugarWiki/AwesomeMusic Trans-Siberian Orchestra's "Christmas Eve/Sarajevo 12/14"]] plays.
* CreatorsPet: Some fans think Muscle Man and Starla are becoming this.
* CrossoverShip: Mordecai and [[WesternAnimation/MyLittlePonyFriendshipIsMagic Twilight Sparkle]] [[http://mordetwi.deviantart.com/ complete with fan club]]
* DieForOurShip: C.J. for Mordecai/Margaret.
** Margaret herself was this for Mordecai/Rigby in the early seasons, now currently is this for Mordecai/CJ, as of "Merry Christmas Mordecai" and "Sad Sax."
* DudeNotFunny: Muscle Man laughing as Rigby's choking in "See You There". While the show's usually absurd enough in its use of death as a punchline, that particular moment was a little too serious.
** How many fans reacted to the ending of "The Best Burger In The World" where the food truck falls in a ditch and Mordecai and Rigby lose out on getting their burgers (more specifically: [[spoiler:[[{{Jerkass}} Benson ate them purposely]]]].)
** [[spoiler:Margaret's ghost story in the second Halloween Episode, as [[BlackComedy she thought it would be funny]], but it only ended up [[NightmareFuel freaking everybody out]].]]
** Rigby's entire behavior towards Mordecai in the episode "Do Me a Solid", where he pettily uses favors against Mordecai to humiliate him during a double date. "Wall Buddy", where Rigby is an obnoxious jerk over the fact that Mordecai expects Rigby to clean up his own mess, only adds fuel to the fire.
** Pops repeatedly making himself ''horribly'' sick in "Guy's Night" by chugging down literally gallons of milk in a few hours to try to beat the "Milk Challenge." Whether it was meant to be funny or not is debatable, seeing as how everyone in the episode is genuinely horrified by this, and [[TruthInTelevision people actually do die from consuming excess fluids in so little time]].
** What most people consider of the ending to "Do or Diaper", where [[spoiler:at the exact moment Margaret is about to kiss Mordecai she deliberately misses so that way he will lose the bet and have to wear a diaper for a whole week.]]
** Quips' jokes from the episode with his name. Some of his jokes are so [[CannotTellAJoke genuinely lame unfunny jokes]] that he is actually [[SoUnfunnyItsFunny funny]]. However others, especially those directed at people, seem so unsympathetically cruel that they cross from being InnocentlyInsensitive to being just plain insensitive. Pops and the Guardian of Youth insulted by Quips could attest to this.
** The very end of "The End of Muscle Man", where Muscle Man's death [[spoiler:is revealed to be a fabricated prank to propose to his girlfriend Starla]]. Save for High-Five Ghost and Starla herself, nearly everybody is disgusted by this.
* EarWorm: [[GettingCrapPastTheRadar DON'T LOOK AT OUR CROTCHES]] WHILE WE SYNCHRONIZE OUR WATCHES! Boop-boop-''bweep''-beep-boop-boop-boop-bweepbweep-boop! BEE BEE BEEP. BEE BEE BEEP.
** For that matter, anything played by The Power.
*** "A bunch of baby ducks, send them to the moon. A soda machine that doesn't work, send it to the moon."
*** "GIVE US A RAISE, LOSERS!"
** Canon example: "Summer Time luh-huh-huvin', gonna head down to the beach and do some beachy things!"
*** "Awww snap! Awww snap! come to our macaroni party and we'll take a nap!"
*** [[spoiler: These two songs battled each other with actual rock star avatars, making it a Crowning Moment Of Earworm]].
** Ra-ha ringtone, pick up your phone!
** BECAUSE WE KNOW EVERYTHING ABOUT SCARY MOVIES AND YOU KNOW NOTHING ABOUT SCARY MOVIES.
** Too many to count from "Silver Dude".
** The "Clock Song" from "Saving Time." Especially since Cartoon Network choose to use it in all of the commercials leading to its premiere.
* EnsembleDarkhorse:
** The baby ducks became quite popular over the course of their two appearances.
** Eileen has automatically became a very popular character after "Do Me a Solid" due to her {{Adorkable}} personality and her crush on Rigby.
* FamilyUnfriendlyAesop: The episode "Think Positive" gives us "sometimes yelling at people is the best way to solve your problems". Although Pops does still wish that Benson tries not to yell so much.
* FanonDiscontinuity: It's safe to say that some fans (particularly the Thomas fans) just prefer to ignore "The Real Thomas" episode, [[spoiler: where it was revealed all this time, that he was a Russian spy and then went on the run.]]
** People who still ship Benson/Audrey, prefer to ignore, [[spoiler: that they broke up.]]
* GeniusBonus: The Dudetime Cologne attracts unicorns. In medieval times, it was believed that a virgin's purity would attract unicorns. Therefore, guys who use Dudetime are virgins (and so is Mordecai).
* GermansLoveDavidHasselhoff: Muscle Man is a fan-favorite is Spain whereas he's a BaseBreaker in the show's home country.
* GrowingTheBeard: First season's episodes are pretty formulaic: Rigby and Mordecai plot a ZanyScheme, it backfires horribly, nothing is achieved, they end in deep S, bonus points for Skips saving the day and/or Benson getting pissed off at the very end. Second season's episodes usually make it so the positive outcome is roughly equal to or outweighs negative, but we don't know the way in which both come, making plots much less predictable. Also, the show's pretense of being a "kids' show" is hanging by a thread moreso now than it did when it started.
* HarsherInHindsight: The "Go Viral" episode which has a Warden trying to police the web. SOPA ''almost'' did that in 2012 (thank goodness it was vetoed).
** They're doing it again with CISPA, and unfortunately, that actually passed -- until the Senate put its foot down and decided NOT to vote for it at all after stalling.
* HateDumb: One of the reasons, some Mordecai/Margaret fans hate Mordecai/CJ, is because [[InterspeciesRomance "Mordecai(bird) and CJ(cloud) are not the same species!"]] Never mind the fact that those same Mor/Mar fans ship [[{{Hypocrite}} Rigby(raccoon) and Eileen(mole)]], and that those same Mor/Mar fans ship [[PairTheSpares Thomas(goat) and CJ/(cloud),]] to square CJ away. Margaret would be offended about this, since her parents happened to be a bird and human!
* HilariousInHindsight: [[http://i2.kym-cdn.com/photos/images/original/000/597/418/59e.png The skinned Muscle Man in the first "Terror Tales of the Park"]] looks exactly like the Colossal Titan on ''Manga/AttackOnTitan''.
** The evil animatronic band from "Fuzzy Dice" have some similarities with the animatronics that serve as antagonists in ''VideoGame/FiveNightsAtFreddys'', which was released two years after "Fuzzy Dice" originally aired.
* JerkassWoobie: Benson really had a moment of this in "Busted Cart".
** To an extent, "Think Positive" as well. [[HeReallyCanAct Sam Marin Really Can Act]]!
** Rigby. He's an annoying jerk, but he's not a bad guy by any means, and when something ''really'' bad happens to him, you can't help but really feel for him.
* MemeticMutation: [[Memes/RegularShow See here]].
* {{Moe}}: Eileen
** Oddly enough, [[spoiler: Rigby! The horrible revelation in 'House Rules' has made Mordecai quietly but desperately protective of him.]]
** Pops. Oh goodness, sweet dainty Pops.
* MoralEventHorizon: What Night Owl did in his debut simply so he can be famous forever was harsh.
** Klorgbane crossed it he destroyed Skips' high school prom, knocked out the principal, and got [[spoiler: Mona killed in the crossfire]] just so he could fight Skips.
** To a non-supernatural extent, Mordecai [[spoiler: cheated on his girlfriend CJ with his ex-girlfriend, Margaret]].
* MostAnnoyingSound:
** Depending on the episode, Pops's high-pitched, grating crying. Sometimes it's just painful to listen to, like in "Tants". Other times, like in "Prankless," where he's [[spoiler: nearly '''killed''' by Muscle Man's prank and has to be taken away in an ambulance]], it's actually ''really'' [[TearJerker heartbreaking]].
** [[https://www.youtube.com/watch?v=RLhRTxwoa94 Muscle Man's weird scream]], if it can even be called a scream.
* TheProblemWithLicensedGames: Opinions on "Mordecai and Rigby in 8-Bit Land" vary. [[NoProblemWithLicensedGames Some find the gameplay great, with a fun variation between the two characters as well as being an old-school side-scrolling platformer.]] Others find the game too short and not having enough to do with the show (for example, Mordecai, Rigby, and Benson are the only main characters to appear).
* RelationshipSue: Margaret, at least before CharacterDevelopment kicks in.
* RelationshipWritingFumble: The 'will they or won't they' attitude of the Mordecai/Margaret ship. In "Picking Up Margaret," it was leaning towards, "They will," but "Steak Me Amadeus" established that Margaret will never be Mordecai's girlfriend because she got accepted into her dream school and "Merry Christmas, Mordecai" and "Sad Sax" reveals that Mordecai still loves Margaret and shared a kiss with her, but he loves C.J. more and wants to be with C.J.
* ReplacementScrappy: For some, CJ comes off as one to Margaret as of "New Year's Kiss".
* RewatchBonus: It's amazing how much they foreshadowed [[spoiler: Thomas actually being a spy from Russia named Nikolai]] in some episodes, even if some of it felt a little contrived.
* RomanticPlotTumor: How some might feel about the dozen or so episodes revolving around romance. As of now, Pops is the only member of the main cast who isn't concerned about finding a lover (though that could change if the show keeps going).
* TheScrappy:
** Benson, especially in season 1. However, his Scrappy status has been declining due to a sympathetic backstories in his life as the series has progressed.
*** He still has his moments, especially in "Guitar of Rock" where he causes the main problem and then [[TheLoad complains the entire episode]] while Mordecai and Rigby are fixing it.
** Quips, Skips' cousin who constantly makes bad jokes. Considering the other character's reactions to said jokes, [[IntendedAudienceReaction this was most likely deliberate.]]
** Rigby is seen as a {{Scrappy}} by many viewers due to the fact he's far, far lazier than Mordecai and in the past was just an awful friend to him, as seen in episodes like "Do Me a Solid" and "Wall Buddy."
** Muscle Man, regardless of him changing a bit post-season 3. Some fans just find him too annoying as well as his girlfriend, Starla. Subverted in Spain, where some consider him the best character (probably because [[HeyItsThatVoice he is also]] [[TsubasaReservoirChronicle Kurogane]], [[Manga/{{Gintama}} Gintoki Sakata]] and [[TransformersArmada Optimus Prime]]).
* ShipToShipCombat: Mordecai/Margaret vs Mordecai/CJ.
* ShockingSwerve: This pretty much happens ''once per episode''. From "Fortune Cookie", for example: [[spoiler:"I just lost the park to the guy in the fanny pack." "He's a WARLOCK!"]]
* {{Squick}}: "Muscle Woman" is FULL of this.
--> '''Rigby:''' This was the most disturbing day of my life.
** And then there's the time where Muscle Man spends half an episode flexing his moobs (man boobs).
** "Last Meal" features Muscle Man and Starla's very...intimate kissing. [[EveryoneHasStandards Even Death, who]] ''[[EveryoneHasStandards kills people]]'', [[EveryoneHasStandards was disgusted by it.]]
** In "Karaoke Video", we see Muscle Man with a sac of barbecue sauce strapped to his stomach that he takes from through a straw. That's not really the nauseating part -- the real gross factor comes in during the episode's big fight, where Muscle Man gets punched in the stomach, and streams of barbecue sauce come out ''through his nostrils and mouth''.
* StrawmanHasAPoint: Mordecai in some of his dealings with Rigby is presented as this. Rigby has been an outright Jerkass to Mordecai just because he won't immediately indulge in Rigby's selfish whims such as in "Do Me a Solid" and "Wall Buddy" and even situations where Rigby should be sympathetic are ruined by being so petty and spiteful that his suffering is arguably deserved. Yet in these situations Mordecai has to wind up to apologizing to Rigby despite being InnocentlyInsensitive at ''worst''. The same can be said of anytime when he tries to point Rigby's own flaws such as in "Lift With Your Back" where Mordecai sheepishly agrees with the other workers about Rigby's ability as a worker. Despite saying without any malice whatsoever Rigby still treats it as a betrayal of the highest caliber.
* SuspiciouslySimilarSong: They get the actual music surprisingly often, but still resort to these quite a lot as well.
** In "Free Cake" of the theme from ''Anime/TheBigO''. Which in and of itself is suspiciously similar to the theme from ''Film/FlashGordon''...
** During the montage in the first episode, there's a similar song to "Tom Sawyer" by Rush.
** One of Boston's "More Than a Feeling" in "Benson Be Gone".
** One of Justin Timberlake's "SexyBack" is used in "Muscle Woman".
** One of MC Hammer's "U Can't Touch This" in "See You There".
** One of "I Won't Do What You Tell Me" (StoneColdSteveAustin's most popular theme song) is used as background music in "Really Real Wrestling".
** One of Holst's "Mars, the Bringer of War" in "More Smarter".
** One of the ''Franchise/{{Halloween}}'' theme in "Creepy Doll".
** One of Eric Clapton's "Wonderful Tonight" in "Camping Can Be Cool".
** One of Music/ThrobbingGristle's ''20 Jazz Funk Greats'' (not kidding) in "This Is My Jam."
** "Video Game Wizard" features a knockoff of Music/{{Rush}}'s "Subdivisions" on the car-ride to the tournament.
** "Steak Me Amadeus" has one for Music/{{Lynyrd Skynyrd}}'s "Tuesday's Gone" after [[spoiler: Mordecai gets dumped.]]
** One of Depeche Mode's "Just Can't Get Enough" plays over a montage in "Skips' Story".
* TakeThatScrappy: Muscle Man's failed attempt at standup in "Under The Hood": he makes a 'my mom' joke. No one in the crowd laughs and some even get hostile towards him, to the point where he has to leave the stage. This is exactly the reaction a lot of viewers have to him and his jokes.
** Also "Rage Against the TV" in which he gets knocked out by [[spoiler:The Hammer]].
** Benson getting intense food poisoning from eating Mordecai and Rigby's sandwich in "Sandwich of Death" gives him a rather karmatic punishment for [[DownerEnding the ending of "Best Burgers in the World"]] where he eats both Mordecai and Rigby's burgers (that comes once every 100 years) [[DisproportionateRetribution for not finishing cleaning the garage.]]
** Benson gets another one from Mother Duck who [[spoiler: points out Mordecai and Rigby saved the park AND the world despite the damage. That Benson yelling at babies is just plain wrong. AND that he was the person who ordered Mordecai and Rigby to stop the Geese in the first place.]]
** He gets yet another one in ''Gold Watch'' when the test pilots call him out for [[NeverMyFault blaming Mordecai and Rigby for getting stranded in the desert when]] [[DrunkOnMilk he ate the hotwings]] [[ItMakesSenseInContext on his own accord]].
** Muscle Man gets a rather hilarious one in "The White Elephant Gift Exchange". Fed up with being prank gifts being given to them each year, the gang decides to get back at him with their own gifts.
* TastesLikeDiabetes: Don asking for hugs, amplified by the fact that he asks by saying [[AmbiguouslyGay "Give me some sugar!"]][[note]]Though possibly it's more he's kept a childlike view of showing affection, as "sugar" is the slang some very young children use for hugs and kisses. Note the use in the flashbacks.[[/note]] He even starts by hugging Benson and Pops who are made of sugar.
*** Also note, we're not entirely sure how old Don is. Rigby is 23 and he's [[spoiler: the older brother, Don apparently just grew rapidly and everyone thinks he's older than he really is, which Rigby actually says.]] So it makes since he's more childlike than Rigby.
** The pink fairy creatures in "Sleep Fighter." In fact, after seeing them on TV for many hours straight, Muscle Man went nuts and even saw them in his nightmares.
* TheyWastedAPerfectlyGoodCharacter: Since his introduction, Thomas has rarely been used and even then he's more a ButtMonkey. Some episodes show signs of him being the StraightMan or OnlySaneMan, but never go further with it. [[spoiler:The writers finally put him to good use in [[TookALevelInBadass "Thomas Fights Back"]] and ''The Real Thomas'', where he's revealed to be a Russian spy.]]
* TheyWastedAPerfectlyGoodPlot: "Bad Kiss" pretty much wastes the chance for Margaret and Mordecai's relationship to finally go further than friendship, thanks to Mordecai [[spoiler: chickening out on kissing her. He actually DOES get a kiss from her in "Picking Up Margaret."]]
** ''Guitar of Rock'' on so many levels. The episode could have focused more on Mordecai and Rigby's relationship with Benson, but instead chose to focus more on the weird fantasy elements. Also, ''Benson was a drummer''. If he had mentioned that to the bouncer, then they'd have gotten that guitar easily.
* WhatDoYouMeanItsForKids: More [[GettingCrapPastTheRadar sex jokes, frequent lethal use of weapons and mild profanities]] ("crap", "sucks", even "pissed") than you can shake a yardstick at. Justified, as ''Regular Show'' is based on two short films J.G. Quintel made in animation school called "2 in the AM-PM" and "The Naive Man from Lolliland." While "The Naive Man from Lolliland" is safe for family viewing (the one use of the word "hell" wouldn't faze most viewers), "2 in the AM-PM" isn't -- at least by Cartoon Network's already selective standards.
* XMeetsY: This show plays out like ''TheMightyBoosh'' meets ''Clerks'' meets the acid trip sequence in J.G. Quintel's ''2 in the AM PM'' (with a little bit of ''The Naive Man From Lolliland'', since Pops is based on the title character from that short).

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