* AdoredByTheNetwork: Creator/CartoonNetwork gave this a huge buildup: a "sneak peek" six days before the premiere (which also aired on Boomerang and streamed on the website), a countdown bug on-screen the day ''of'' the premiere, and at least one rerun a day for the entire week afterward.
** The Latin American version of Cartoon Network brings this trope UpToEleven. They went to such extent to dedicate a whole day to the show. They also use them to announce the new stuff of the month and air reruns '''three''' times a day, everyday, and they often air clips of this show during the commercial breaks for no reason at all.
** Cartoon Network also put a lot of faith into the show by renewing a second season a week before the premier, though this could have been done as the show spends a long time in production. Cartoon Network later renewed the show for a fourth and fifth season before the third season had even started airing.
** As of January 2015, Cartoon Network airs seven episodes of ''The Amazing World of Gumball'' most days of the week, which is a quarter of the channel's fourteen hours of daily (non-Adult Swim) airtime, which has annoyed ''Adventure Time'' and ''Regular Show'' fans who were used to seeing their respective shows rerun as much as this one.[[note]]However, ''Adventure Time'' now airs reruns at 3:00pm EST and 3:30pm EST while ''Regular Show'' is still on at 7:30pm EST most days, but has been made part of weekend afternoon marathons, so the network isn't completely leaving ''Adventure Time'' and ''Regular Show'' fans out in the cold in favor of ''Amazing World of Gumball'' fans[[/note]]
* TheDanza: The character Teri (the hypochondriac paper bear) is played by Teresa Gallagher. Given Teri is just a supporting character and Gallagher also voices one of the main cast, this was probably a coincidence.
* DawsonCasting: With the exception of the Watterson children (Anais' voice actor[[note]]Kyla Rae Kowalewski[[/note]] is a teenager while Gumball and Darwin's voice actors[[note]]both the past and current ones[[/note]] were/are 11 and 12 years old), the kid characters are played by adults (mostly Teresa Gallagher, Stefan Ashton Frank, Alix Wilton Regan, Adam Long, Max Cazier, Jessica [=McDonald=], Kerry Shale, and, in the case of Sussie the chin puppet, Aurelie Charbonnier[[note]]in season one[[/note]] and Fergus Craig[[note]]from season two to the present[[/note]])
* DevelopmentGag:
** "The Mystery": The yearbook pictures for Alan and Tina both use their designs from the Early Reel.
** The class photo in "The Curse" that gets impaled by pencils stuck into it uses the Earl Reel designs for everyone but Darwin and Gumball.
** "The Fridge": Nicole puts war paint on her face. The way she does it covers her whiskers, making them look longer, and thus more like they did in her character model before it was redesigned for the second season.
** "The Skull": When Clayton shapeshifts into Banana Joe's form, he looks like Joe's first season character model instead of his current one.
** "The Bumpkin": Gumball tries to escape school by [[CatapultToGlory sitting on one side of the seesaw while Hector stomps on the other]], the same thing he and Darwin did to try and escape from the school in the pilot.
** "The Storm": Masami's crush on Alan is funnier when you realize that they were a couple in the pitch pilot "Gumball."
** "The Tape": The group shot where Gumball almost [[TitleDrop says the show's name]] is very similar to the end of [[https://www.youtube.com/watch?v=W7uDvSITrlY one of the series's trailers]], except that was in front of the Watterson house and everyone managed to say it.
** "The Void": Darwin's CGI design from the pitch pilot (titled "Gumball") can be seen floating around, as can a rejected design for the Watterson house.
* {{Defictionalization}}: [[Website/YouTube Elmore]] [[FictionalCounterpart Stream]] is now real...[[http://www.youtube.com/user/ElmoreStream sorta]].
* FakeAmerican: Most of the cast besides the voice actors for Gumball, Darwin, and Anais are Brits doing AmericanAccents. Technically averted with Dan Russell (the voice of Richard, Mr. Fitzgerald, Coach, and Tina in the first season), and Sandra Dickinson (the voice of Granny Jojo, Hector the giant's mother, the pink cupcake lady, the orange woman with the blue boy, and the first voice actor for Miss Simian), who are American actors based in the UK.
* FlashbackWithTheOtherDarrin: A flashback in "The Name" redubs a scene from the first season episode "The Curse" with Gumball's third season voice actor. The same goes for a flashback with Darwin in "The Extras" to the second season episode "The Sweaters".
* HeyItsThatVoice: Anais is [[WesternAnimation/AdventureTime Me-Mow]] (Kyla Rae Kowalewski).
** In Japan, Gumball is Creator/JunkoTakeuchi, a.k.a. [[Manga/{{Naruto}} Naruto Uzumaki]].
** Granny [=JoJo=] and Miss Simian (first season only) is Sandra Searles Dickson ([[Series/TheHitchhikersGuideToTheGalaxy Trillian]])
** The first voice of Darwin voiced Gossamer the monster on ''TheLooneyTunesShow'' and was in the Tyler Perry movie, ''I Can Do Bad All By Myself'' (Kwesi Boakye). His replacement voice (Terrell Ransom, Jr.) was on such American shows as ''Days of Our Lives'', ''The Middle,'' and ''Children's Hospital''.
** Creator/BrianBlessed is the homeless amnesiac drifter who is revealed to be [[ChristmasEpisode Santa Claus]] on the episode "Christmas."
** In the French dub, Richard (Papa) is the same voice actor used to dub [[WesternAnimation/RegularShow Benson, Muscle Man]], [[Manga/{{Naruto}} Gaara]], and [[WesternAnimation/TotalDrama Trent]] (''Total Drama'' version, not ''{{Daria}}'').
** In Brazil and Poland, Nicole's voice actress is the same one who voices [[WesternAnimation/JusticeLeague Wonder Woman]].
*** Interestingly, the Brazilian Nicole and Richard have mentored [[Series/{{Glee}} Rachel Berry]]; Richard used to be Rachel's high school teacher, whereas Nicole is her current dance instructor. [[note]]Nicole didn't date Finn Hudson.[[/note]]
** In Hungary and Italy, Gumball is [[WesternAnimation/ParaNorman Neil Downe]].
** Creator/DerekJacobi is the narrator in the episode "The Lie".
* KeepCirculatingTheTapes: Unless you live in the UK or have access to Cartoon Network's UK channel, there's really no legal way to see the uncut version of "The Skull" where Gumball, Darwin, and Clayton give themselves shock therapy to stop lying or the version of "The Storm" where Gumball tells Carmen that he's not a "cheap, corruptible bimbo" instead of a "cheap, corruptible coward." Even digital sources like Hulu Plus and [=iTunes=], which keep the full opening and end credits, include the edits in the US version.
* NonSingingVoice: Unlike other musical numbers Darwin is in (barring ones where it's obviously supposed to be a different voice like "No More Mr Nice Guy!"), "What He Thinks About Us!" in "The Words" is performed by a different voice actor than his usual one.
* TheOtherDarrin:
** Gumball was voiced by Nicky Jones (aka WesternAnimation/{{Chowder}}) in the early reel version of the show.
** In the first season, Mr. Small, Tobias, Banana Joe, and Alan were all played by Rupert Degas, Ms. Simian was voiced by Sandra Searles Dickinson, and Anton, Rocky, and Principal Brown were voiced by Lewis [=MacLeod=]. From season two on, Mr. Small is now voiced by Adam Long, Hugo Harold-Harrison voices Ms. Simian, Tobias, Banana Joe, and Alan (though Dickinson still voices Granny Jojo and other female characters), Stefan Ashton Frank voices Principal Brown, and it is [[NowWhichOneWasThatVoice unclear]] who now voices Anton and Rocky.
** Tina also changed from Dan Russell to Stefan Ashton Frank, even though Russell continues to play all his other roles (including Richard).
** Both Gumball and Darwin were recast in season three from Logan Grove and Kwesi Boakye to Jacob Hopkins and Terrell Ransom, Jr. respectively due to their original voice actors hitting puberty. The season three premiere "The Kids" is both a farewell to Grove and Boakye and an introduction to Hopkins and Ransom, Jr.
** In season 1, Sussie (the chin puppet) was voiced by the creator's girlfriend and storyboard artist Aurelie Charbonnier but in season 2 she is replaced by British comedian Fergus Craig. Charbonnier, however, still plays the physical puppet, just with Craig's voice dubbed over.
** Almost all voices were recast in the Hungarian version after season 1, save Gumball, Darwin, Nicole, Anais and a few side characters. Season 3 changed even more voices, including Gumball's and Nicole's. Now Darwin, Anais, Banana Joe, and Penny are the only characters with their original voices.
* PropRecycling: A lot of the characters are rejected advertising mascots Ben Bocquelet had in his portfolio.
* ScheduleSlip: Likely because of its multi-medium format, episodes of ''Gumball'' take about one-and-a-half times as long to come out as for most cartoons of similar length, which is why there can be anywhere from three weeks to a couple of months between new episodes in the same season.
* ShortRunInPeru: Several times the series has gone on [[SeriesHiatus an extended hiatus]] in the middle of a season, leading episodes to premiere in other countries before reaching U.S. and U.K. audiences:
** UK[[labelnote:*]]Given the show is made ''in'' the UK, but with the US as its primary audience, one could debate whether episodes premiering in the UK are examples of this trope or the only ones where this trope does ''not'' apply.[[/labelnote]]: "The Mystery", "The Microwave", The Meddler", "The Fight",
** Spain: "The Virus", "The Pony", "The Hero", "The Dream", "The Sidekick", "The Photo", "The Storm"
** Middle East and North Africa (Arabic dub): the last nine episodes of season two (from "The Promise" to "The Finale")
** Chile: "The Oracle"
** Latin America: "The Safety" (which was shown with the original English dialogue and not dubbed in Spanish)
** Portugal (Portuguese dub): "The Downer", "The Egg"
* TalkingToHimself: Most of the dozen plus named students in Elmore Junior High are voiced by a few people, so this happens a lot. In particular, every non-adult female save for Anais, Tina, Sussie, and (from the second season onward) Carmen is voiced by either Teresa Gallagher or Jessica [=McDonald=].
* TheWikiRule: [[http://theamazingworldofgumball.wikia.com The Amazing World of Gumball Wiki]]
* UnfinishedEpisode: Four episodes [[https://twitter.com/benbocquelet/status/247455074387886081 were scrapped]] in the first season: two were called "The Mom" and "The Pizza", the other two weren't named. Season two also had an episode planned called "The Rex" which was [[https://twitter.com/benbocquelet/status/397840050152804352 cut because it would have gone over budget.]] However, the premise for the two named episodes may or may not have been for the season three episodes "The Mothers" and "The Pizza". "The Rex," which would have fully introduced Tina's father and have been a parody/homage to ''Jurassic Park'', has, so far, been scrapped.
* WhatCouldHaveBeen:
** Most of the characters of this show were originally going to be mascots for ads and company logos, but all of them were rejected. Rather than get rid of them or redesign and repitch them in the hopes they'd be accepted, Ben Bocquelet superimposed them on a photograph of a school and decided to create a TV series out of it.
** In [[http://issuu.com/worldscreen/docs/tv_kids_mipcom_2013 an interview (page 127)]], Ben Bocquelet revealed the show was originally envisioned as being about a remedial school for rejected cartoon characters. Cartoon Network found the idea to be too depressing, so Bocquelet revised it to also focus on Gumball and his family (as the network was looking for family shows and "kids-in-school" shows) and turned the remedial school into an American junior high school. He also mentioned at one point hoping Creator/AdultSwim would be interested in some of his work, although, contrary to some claims, [[https://twitter.com/benbocquelet/status/557632076636499969 he never pitched Gumball itself to Adult Swim]].
** [[http://polyminthe.blogspot.com/2012/06/amazing-world-of-gumball-development.html At some point in development]], Richard was a skinny blue dog while Gumball was a black cat instead of a blue one.
** An "Early Reel" was made for the show as a pilot. The most noticeable differences are the fact Darwin was animated in CGI and Gumball had a square head, though other characters looked different too. Teri was also a boy, there.
** The people in "The Sweaters" from Richwood High [[http://theamazingworldofgumball.wikia.com/wiki/The_Sweaters/Gallery#Miscellaneous were originally going to be]] {{Funny Animal}}s like everyone else, rather than stiffly animated 70s/80s-cartoon-style humans.
** Sarah G. Lato's name was originally going to be [[http://theamazingworldofgumball.wikia.com/wiki/File:GB200_DOLLY_ORIGINAL_PUPPET.jpg Dolly]].
** "The Downer" [[https://twitter.com/benbocquelet/status/578723490926370816 underwent a significant rewrite]] because Bocquelet thought the initial draft was far too dark. He [[ShrugOfGod refused to elaborate]] on how the first and final scripts differed, and, when asked for some storyboards, said that it was up to the storyboard artist to release that information.
** "The Shell" (the WhamEpisode where Penny breaks from her shell) was originally going to be a season two episode, but there wasn't enough money in the budget to make it, so it was held off until season three.
* WorkingTitle: Some episodes changed name mid-production:
** "The World" was at one point named "The Objects".
** "The Extras"[[note]]season three episode where the background characters overtake the show[[/note]] was originally titled "The People"
** "The Fraud"[[note]]the one where Principal Brown is revealed to have a fake diploma[[/note]] was originally called "The Phoney"
** "The Void" was originally called "The Hole".
** "The Boss" [[note]]the one where Rocky takes a job with Chanax, Inc so he can make his father proud[[/note]] was originally called "The Heart"[[note]]no word as to why it was changed, but it can be assumed that Mr. Robinson was originally going to have a heart attack instead of get so mad that his head split open and his stuffing fell out[[/note]].
** "The Question"[[note]]the one where Gumball and Darwin find the meaning of life after being one with the universe during a sugar rush[[/note]] was originally "The Answer".
* WriteWhatYouKnow: The turtle drying out in "The Puppy" when Darwin leaves him in the sun is based on how the pet turtle of the series creator died.
* WriteWhoYouKnow: Ben Bocquelet [[https://www.youtube.com/watch?feature=player_detailpage&v=Swxzs2NRpDI#t=130 has described]] Richard, Nicole, and Anais as caricatured versions of his family members that they're named after and Gumball as being based on his perception, as an adult, of what he was like as a kid.
* XMeetsY: This show is best described as ''TheSimpsons''[[note]]The Wattersons, like the Simpsons from seasons one to five, were a semi-dysfunctional family that most of the townspeople tolerated at best and wished they would move away/be put in jail/die at worst. Also, some of the jokes and storylines on the show have been done on ''The Simpsons'', but here, they're shorter and try to go for something different/more family friendly[[/note]] meets ''RegularShow''[[note]]in that the characters are anthropomorphic animals and objects, it often has MundaneMadeAwesome stories, and has a main character in a romantic relationship with a shapeshifter[[/note]] with the aesthetic of ''WhoFramedRogerRabbit''[[note]]the animated characters in a live-action setting, only ''The Amazing World of Gumball'' uses photographs, not live-action footage -- except for the antique appraisal show on "The Watch", the weather report on "The Law," and the news report about the crime wave on "The Pizza"[[/note]] and possibly ''WesternAnimation/DrawnTogether''[[note]]different types of animation styles coming together, only ''Drawn Together'' stuck with 2D animation styles from different studios and styles (Princess Clara was a spoof of Disney's princesses, specifically Cinderella and Snow White; Toot Braunstein was a spoof of BettyBoop and the 1920s black and white rubber-hose cartoons made by Fleischer Studios; Captain Hero was a spoof of the stylized, GoldenAge 1940s Superman cartoons also made by Fleischer Studios; Foxxy Love was a spoof of the 1970s Hanna-Barbara cartoons that have teenagers/20-somethings, some of which had bands, solving mysteries, like ''Scooby Doo, Where Are You?'' ''Jabberjaw'', and ''Josie and the Pussycats''; Wooldoor Sockbat was a spoof of the loose, wacky cartoons made famous by Tex Avery, Bob Clampett, and John Kricfalusi [with a bit of ''SpongeBobSquarePants'' thrown in], Xandir was a spoof of video game animation, Ling-Ling is a spoof of anime [specifically Pokemon and Digimon], and Spanky Ham was a spoof of stiffly-animated, crude-humored adult cartoons found both on- and offline, a lot of which are animated with Adobe Flash), while the animation styles of ''The Amazing World of Gumball'' range from 2D traditional to 3D realistic and even include puppets, claymation, 8-bit graphics, and stop-motion all superimposed over live-action photos[[/note]]

!!General Trivia:
* After the first season, Anais, Darwin, and Gumball has one, two, and three front teeth, respectively.
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