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Crossover / Western Animation

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Drinking brings the most awesome of characters together.

Let's admit it, there are few things us nerds like more than a cartoon crossover!

  • Back in 1972, The ABC Saturday Superstar Movie anthology series featured Looney Tunes characters in a Filmation production, Daffy Duck and Porky Pig Meet the Groovie Goolies — an atypical crossover of characters from different animation studios. (Consider that veteran WB animators, such as Ted Bonnicksen, Virgil Ross, and Norm McCabe, were all working at Filmation at the time.)
  • Ace Ventura and The Mask crossed over on two episodes: the final episode of The Mask ("The Aceman Cometh") and the last episode of Ace Ventura's second season ("Have Mask, Will Travel").
  • Bubble Guppies crossed over with Baby Shark's Big Show! in the episode "The Jaw-some Shark-venture!"
  • Alvin and the Chipmunks once had a crossover with... The Alvin Show Alvin And The Chipmunks. Or rather, the 1980s cartoon chipmunks got to meet their 1960s counterparts in a manner involving time travel, similar to Turtles Forever.
  • Hercules: The Animated Series crossed over with Aladdin: The Series in one memorable episode featuring Jafar convicning Hades to team up with him.
  • The Batman: The Animated Series vs Pokémon: The Series promos on Kids' WB!. Part One and Two.
    • Several other promos running on Kids WB featured similar interactive crossovers among the block's various shows.
  • A Ben 10 and Generator Rex crossover titled Ben 10/Generator Rex: Heroes United aired on Cartoon Network during Thanksgiving 2011, as a "special, extended" episode of Generator Rex. A clip was shown at Comic-Con 2011, in which Ben is seen entering Rex's world through a portal, and is at first mistaken for an EVO.
    • The Ben 10: Omniverse epsiode "T.G.I.S." sees the title characters of The Secret Saturdays appear, teaming up with Ben and Rook. Unlike the crossover with Generator Rex, the team-up is presented as (as per Word of God by Jay Stephens, the creator of TSS) as them existing in the same universe. Cow and Chicken (or at least two aliens that look like them) have also made a cameo in the show, complete with their original voice actor.
  • Some of the online shorts for Blue's Clues & You! have featured other Nick Jr. characters, such as Abby Hatcher and Molly from Bubble Guppies coming over to the Blue's Clues house for Halloween.
  • The all-too-trippy anti-drug PSA Cartoon All-Stars to the Rescue?
  • Cartoon Network has done many promo spots for itself using odd and unusual crossovers such as Shaggy from Scooby-Doo and Droopy Dog discussing what they call The Pound Puppies in France while driving a (live-action) convertible in (live-action) L.A., à la Pulp Fiction.
  • Comic Book Guy from The Simpsons cameoed in one episode of The Cleveland Show.
  • The Simpsons had crossovers with Family Guy and Futurama.
    • The Family Guy episode "The Simpsons Guy" has the Griffins escaping from Quahog because of Peter making a sexist comic and end up in Springfield, where they meet and befriend the Simpsons. Then Homer and Peter start a fight (à la Giant Chicken) over which beer is better and nearly destroy Springfield.
  • A crossover of Darkwing Duck with Chip 'n Dale: Rescue Rangers was planned but was never produced beyond a few voices. A quick clip of these voices can be heard in the Darkwing episode "Twitching Channels". The series did have DuckTales (1987) Gizmoduck as a recurring character though and in one episode, the entire recurring villain cast from DuckTales showed up in one scene.
  • Dexter's Laboratory, Justice Friends and Monkey with each other, but also one episode with Dynomutt, Dog Wonder.
  • Doc McStuffins: A special episode that aired on January 18, 2017 (National Winnie-the-Pooh Day) featured characters from Winnie the Pooh.
  • Elena and the Secret of Avalor is a crossover movie between Craig Gerber's two shows, Sofia the First and Elena of Avalor.
  • Eek! The Cat, it would seem, shares a universe with The X-Files; the episode "Eek Space 9" features cameos by Mulder and Scully (several years before The Simpsons) - an alien ship crashes into Scully's office and she screams that he was right all along (an accurate prediction of how her character turned out on the live-action show)! And yes, they are voiced by Mr. Duchovny and Miss Anderson, which makes it even funnier.
  • The Fairly OddParents! and The Adventures of Jimmy Neutron, Boy Genius crossed over three times in The Jimmy Timmy Power Hour Trilogy. This was an interesting exercise because one show is Thick-Line Animation while the other is computer-generated, requiring the characters to be re-animated in the appropriate style while in the "other" show's universe. Worth noting that the shows, unlike most crossovers, were NOT from the same creator (though both are still distributed by Nickelodeon). Also notable for the "Magic Versus Science" theme in all three specials.
  • Butch Hartman also created a short that featured characters from three of his shows crossing over into his other show, Danny Phantom.
  • In an ad for Morning Funnies Cereal, Dennis the Menace is sitting on Mr. Wilson's porch when a Massive Multiplayer Crossover occurs. Characters from Beetle Bailey, The Family Circus, Funky Winkerbean, Hägar the Horrible, Luann, and Marvin invade the dining room, rudely eat cereal, and abruptly leave.
  • Seth MacFarlane's Family Guy, American Dad!, and The Cleveland Show have had characters make occasional appearances, but the first true crossover among them is Night of the Hurricane, in which Hurricane Flozell affects all three shows and the actual "crossing over" occurs after the hurricane when Cleveland Brown, Stan Smith and Peter Griffin get involved in a stand-off.
    • The Family Guy episode "Bigfat" featured a Cold Opening where the Griffins meet the Smith family, who had moved into Cleveland's old house, which ends when Stan shoots Peter dead. Only for it to turn out to be just a dream that Peter is having, only for it to turn out to be a Dream Within a Dream being had by Hank Hill, who complains that he always wakes up before finding out if they understand the baby (Stewie).
  • Freakazoid!, Animaniacs, and Pinky and the Brain did a crossover in this clip.
    • Animaniacs sometimes did crossovers with other cartoons on its show, including one incident where Batman rescued them from an angry fairy (as Yakko's Shakespeare recital had foretold). Coincidentally, Batman: The Animated Series aired right afterward.
      • One Animaniacs episode featured internal crossovers, with Dot and Slappy Squirrel trading places, as well as shorts featuring Mindy and the Brain, Pinky and the Cat (Rita), and Pesto and Runt.
      • And sometimes characters from Tiny Toon Adventures would show up for a cameo or guest appearance.
  • It was a bit more subtle than most of these examples, but G.I. Joe crossed over with The Transformers in the episode "Only Human". A masked character named "Old Snake" (voiced by Chris Latta) helps the Big Bad of the week with a machine to put Transformers' minds into synthetic human bodies. After the plan inevitably fails, Old Snake escapes and idly muses that "they just don't make terrorists like they used to", then raises his arms and yells "COBRAAAAAA!", ending in a coughing fit.
    • At the time the episode aired, it initially had a hard time fitting in with the events of G.I. Joe: The Movie, where Cobra Commander was transformed into an humanoid yellow cobra-man and then finally doomed to a fate as an actual non-anthropomorphic cobra. However in "Only Human", Cobra Commander is obviously humanoid and visible from his torn-up gloves are hands covered in yellow scales; presumably in reference to when he was transformed into a yellow-scaled snake man in the movie. Through what was likely coincidence, this seemingly erroneous depiction of a future Cobra Commander was later made to make sense: In 1989 (three years after "Only Human" originally aired), DiC produced a continuation of the G.I. Joe animated series, beginning with the five-part mini-series "Operation: Dragonfire". In this mini-series, Cobra Commander is still just a snake, but he's eventually returned into a humanoid form (specifically the snake-man form) by the Baroness.
    • And from the same season, recurring character Marissa Faireborne was obviously the daughter of Flint (Dashiell R. Faireborne) and Lady Jaye. The DVD commentary for Transformers: The Movie finally admitted this officially.
      • One "cameo" was made when a hologram version of an aged Flint was used in order to trick Marissa in one episode.
    • In a more meta case, many of Marvel/Sunbow's cartoons of The '80s (Transformers, G.I. Joe, Inhumanoids, Jem etc.) were tied into each other via Hector Ramirez, an Expy of television reporter Geraldo Rivera. Hector would show up just about any time a story needed a television reporter, suggesting the shows all resided in a shared universe. Jem also features a few Shout Outs to GI Joe and Transformers.
  • "The Grim Adventures of the KND" was really more of a Kids Next Door episode with Billy and Mandy characters, but many plot points rely on the main characters of the latter (such as the Applied Phlebotinum). There were also many a Shout-Out to other Cartoon Network original properties, including a brief Art Shift to the world of Ed, Edd n Eddy.
  • The Grinch Grinches the Cat in the Hat was a 1982 TV movie in which two of the most famous creations of Dr. Seuss butt heads when the cheerful Cat ends up the target of the grouchy Grinch's pranks.
  • Hanna-Barbera did this a lot.
    • Scooby-Doo had The New Scooby-Doo Movies a show explicitly made for crossovers with other shows and real celebrities.
    • Other Hanna-Barbera examples are Laff-A-Lympics and Yogi's Gang.
    • The Jetsons Meet the Flintstones was one of the few movies they did of this.
    • Continued in later examples like Scooby-Doo in Arabian Nights.
    • There was a multi-episode arc of Space Ghost where the title character went up against the Council of Doom, each of whom managed to defeat Space Ghost and banish him to some other realm/time/planet, just so the other Hanna-Barbera heroes of that setting could help save him. This allowed Space Ghost to team up with The Herculoids, Mighty Mightor, Shazzan, and Moby Dick .
    • The 1981/82 Hanna-Barbera show Space Stars was also built around this trope. Each hourlong episode would have a short eight- to 10-minute segment starring one of the show's hero teams: Space Ghost, The Herculoids, the Teen Force, and Astro from The Jetsons. The last five to 10 minutes of the show would then be a "Space Stars Finale" team-up between two or more of the groups against a common foe.
    • Yogi Bear and Boo Boo once turned up in a Flintstones episode. Apparently, those bears are really, really old. Or able to time-travel. Or both.
    • A rare live-action to animation crossover took place on The Flintstones when Samantha and Darrin moved in next door (both series aired on ABC, and Bewitched was made by The Flintstones's (then) distributor Screen Gems). How old is Samantha, anyway?
      • And, as a bonus, Hanna-Barbera animated the opening titles for Bewitched and reused the characters' designs for their stone-age counterparts.
    • Ironically averted with several of the later Flintstone shows, such as Fred and Barney Meet the Thing. They never actually met, it was just some Flintstone shorts mixed with shorts that featured a teenage version of the Thing.
  • Harvey Birdman, Attorney at Law is nearly built around this trope. Most episodes involved Harvey's law firm taking the case of some 1960s or 1970s Hanna-Barbera cartoon character.
  • He-Man and She-Ra did this more than once, as special episodes. Made sense, since they were siblings, but every time it happened it was a big deal. The two would do their transformation sequences simultaneously, making for a doubly psych-up scene. Strangelynote  though, despite being in the same place at the time, they would then each appear in front of their respective castles, which were located in different worlds.
  • House of Mouse was all about Disney animated characters going to the house to watch various acts.
  • Inspector Gadget once paid a visit to the live-action half of The Super Mario Bros. Super Show!, played by a svelte young Maurice LaMarche.
  • Johnny Bravo, "Bravo-Dooby-Doo": Johnny hitches a ride with the cast of Scooby-Doo, Where Are You! to his great-aunt's mansion. There they solve a mystery, all while poking some fun at the odder quirks of Scooby-Doo. At the end, Speed Buggy shows up.
    • A later episode has a past incarnation of Johnny meeting Fred Flintstone.
    • The later seasons had a lot of episodes revolving around Johnny meeting other cartoon characters. Blue Falcon, Huckleberry Hound, "Weird Al" Yankovic...
  • Lilo & Stitch: The Series had four episodes crossing over with another Disney series each - one for Kim Possible, Recess, American Dragon: Jake Long, and The Proud Family.
  • Additionally, the Looney Tunes characters made several guest cameos on Animaniacs and Histeria!.
    • Buddy, the failed successor to Bosko, appeared in The Warners 65th Anniversary Special.
    • Bosko himself and his girlfriend, Honey, were the subject of the Tiny Toon Adventures episode "Field of Honey", and let's not forget the lesser known characters of Foxy, Roxy, and Goopy being the focus of another.
    • Which wasn't rare for Tiny Toons, since the whole plot of the show is the main characters are the proteges of famous "Looney Tunes" characters.
  • One episode of The Loud House crossed over with, of all things, Legends of the Hidden Temple.
  • Milo Murphy's Law exists in a Shared Universe with Dan Povenmire and Jeff "Swampy" Marsh's previous show, Phineas and Ferb, and Easter Eggs are scattered around the show. In the season one finale, Milo, Dakota, and Cavendish meet Dr. Doofenshmirtz, and the season two premiere is a full-blown crossover episode. It ends with Doofenshmirtz moving in with the Murphys indefinitely, and in the final minutes, Milo tells Phineas and Ferb that they live just across town from each other, so they can feel free to cross over whenever they like. Phineas assures him they will.
  • OK K.O.! Let's Be Heroes:
  • Phineas and Ferb met a few of the Marvel superheroes and villains in Phineas and Ferb: Mission Marvel. While never acknowledged again by either show, they were voiced by the same actors from the Avengers Assemble and Ultimate Spider-Man (2012) series, and more-or-less the same designs.note 
  • Rankin/Bass Productions did it with Rudolph and Frosty's Christmas in July, combining Rudolph with Frosty the Snowman, Frosty's Winter Wonderland, Rudolph's Shiny New Year, and it appears that Santa Claus Is Comin' to Town and The Year Without a Santa Claus may figure in, but mostly in dialogue references rather than character appearances. Strangely, there were never any crossovers with characters from the original Rudolph the Red-Nosed Reindeer special — they only appeared again in Rudolph and the Island of Misfit Toys.
  • Rugrats:
  • Building on the Scooby example above Scooby-Doo! Mystery Incorporated tried to accomplish this as a throwback to the Hanna-Barbera examples. But there is a Broken Base how well they understood the above in this.
  • Matt Groening's shows The Simpsons and Futurama tend to cross over for brief instances, including in the futuristic Simpsons episode "Future Drama".
    [Homer and Bart accidentally pick up Bender of Futurama while driving through a portal tunnel]
    Bender: Alright! You guys are my new best friends!
    Homer: You wish, loser!
    [Throws Bender out the car.]
    • Then there was the time The Simpsons crossed over with The Critic, which Matt Groening was against since The Critic has a completely different style and therefore did not have Groening's involvement. Because of this, Groening's name is not shown in the credits for "A Star is Burns" (making it the only instance that this has happened). However, Jay Sherman made cameos in two other episodes that did have Groening's name in the credits.
    • And one of the show's couch gags featured the Simpsons meeting their Tracey Ullman Show counterparts sitting on the sofa.
      • The 2014 Treehouse of Horror did this directly, with the Tracey Ullman Show counterparts appearing as ghosts. Furthermore, at the end of the segment, various versions of the Simpsons appear, including anime counterparts which parody One Piece, Bleach, Naruto, Attack on Titan, Pokémon, and Spirited Away. Other ones include Lego characters and Minions from Despicable Me.
    • Another couch gag had the Simpsons arrive on the couch via tubes right out of Futurama; Fry briefly appeared from a tube before being sucked back in and replaced by Bart.
    • In a season 26 couch gag, Rick and Morty crash a space ship into the living room that smushes the Simpsons into yellow goop. Rick then sends Morty to another dimension with a vile of the goop that will make them new Simpsons. It works, except the new Simpsons all look like Rick since he cleaned the vile with his spit.
  • South Park did a Cartoon Crossover where Mr. Garrison sought therapy from Dr. Katz.
    • Interestingly, MAD did the very same crossover earlier.
    • Also the "Imaginationland" trilogy could also be considered something of a massive crossover as well.
    • Bart Simpson of The Simpsons appears in the two-part "Cartoon Wars". There are even references to his series, including mentioning that he stole the head off a statue once (a reference to the episode "The Telltale Head") and him saying "Cowabunga!" (in The Simpsons episode "Behind the Laughter", Bart, after a sketch written by Homer in which Bart has the line "Cowabunga!", remarks with irritation that he's never said "Cowabunga" in his life).
  • Soaky was a bubble bath product marketed in the 60s that were in containers resembling cartoon stars of the time. The commercial spots had some rather bizarre pairings—Superman with Tennessee Tuxedo, Mighty Mouse with Alvin (and later Bozo the Clown), and Dick Tracy with Muskie Muskrat. An earlier spot had Donald Duck and Porky Pig but not together. The product mascot the Soaky Kid made separate phone calls to them in the commercial.
  • The Disney Junior preschool shows Special Agent Oso and Handy Manny had a crossover called "The Manny with the Golden Bear," in which Oso called in Handy Manny when he [Oso] had to help a kid who had a broken bike.
  • Spider-Man: The Animated Series had a crossover with X-Men: The Animated Series. It was considered a big deal because it was a completely different animation studio involving the then-current roster from X-Men in a show that was not their own. Even more impressive was the effort put into keeping all the same cast for the sake of continuity. Even more fun, the crossover remains in continuity for Spider-Man, as Storm returns during the series' adaptation of the Secret Wars (1984) crossover event.
    • Robert Hays also reprised his role from Iron Man: The Animated Series in several episodes.
      • The Marvel cartoons from around this era were frequently cameo-ing in each other's series, as well (though it's hard to know whether they were the same characters as the other cartoons; they all take place in a Marvel Universe, where a Spider-Man, Human Torch, etc. would likely exist somewhere.) You never know who'll be briefly shown watching from a rooftop, or looking up at the Pillar of Light in the distance when something really big goes down. Also, Iron Man, Fantastic Four, The Incredible Hulk, etc. guest starred in each other's shows often enough to make the '90s Marvel cartoons a Diniverse of sorts - you can connect the dots through all of them.
  • An arc of Street Sharks dealt with them teaming up with the Extreme Dinosaurs.
  • Superman had three crossovers with Batman: The Animated Series, confirming the existence of the DC Animated Universe.
    • The season two three-part episode "World's Finest," which featured characters from Batman traveling to Metropolis.
    • The season three episode "Knight Time," in which Superman teams up with Robin (Tim Drake) to hunt down a missing Batman.
    • The season four episode "The Demon Reborn" in which Batman and Superman team-up to fight Ra's Al Ghul.
  • The 1987, 2003, and original comic book versions of the Teenage Mutant Ninja Turtles, in Turtles Forever.
  • Tiny Toon Adventures was also in this same mold (considering both shows were from the same producer, Steven Spielberg). In fact, some Animaniacs characters made quick cameos in the two prime-time Tiny Toons specials in 1994.
    • In the Tiny Toons direct-to-video movie How I Spent My Summer Vacation, Buster and Babs are saved from a fall by Superman. The Bunnies promptly told the Man of Steel to get his own video.
    • The episode "Fields of Honey" featured the forgotten Looney Tunes duo Bosko and Honey.
  • The Venture Bros. started off as a parody of Jonny Quest. Eventually, characters from Jonny Quest started showing up on the show... or at least demented versions of them.
  • Victor & Hugo - Bunglers in Crime: Many times, either in reference or in guest stars. Count Duckula, Igor, Nanny, Hawkeye Soames and Dr. Potson (from Count Duckula), Danger Mouse, Colonel K, Baron Greenback, Nero and Stiletto (from Danger Mouse) and even a nod to Badger from Wind in the Willows. It seems fitting, since Victor & Hugo were a spin-off from Count Duckula, who in turn spun off from Danger Mouse.
  • An episode of The Zeta Project crossed over with Batman Beyond, justified in this case as the former was a spinoff of the latter. (Due to Bob Kane's contractual billing being what it is, this is also the only episode where the opening titles omit the "Created by Robert Goodman" credit - the end credits specify Kane's being behind Batman, with Goodman being behind the characters for the spinoff.)
  • "Say Uncle", a crossover between Steven Universe and Uncle Grandpa of all shows. it was then taken up to eleven when UG pulled out his checklist of kids to visit to reveal Dexter, Dee Dee, Bubbles, Blossom, Buttercup, Ed, Edd, Eddy, Billy, Mandy, Mac, Flapjack, Finn, Clarence, and even Juniper Lee and SWAT Kats: The Radical Squadron on the list. One can only imagine what those visits were like.
  • Cartoon Network's CN City bumpers which ran during the mid 2000's had the cast of the majority of shows in that era all living together in one town. Of course, this led to many amusing interactions like Billy mistaking Mr. Herriman for the Easter Bunny. This also extended to cartoons that were broadcast but not owned by the company, such as Justice League and Pokémon.
  • Though it ultimately ended up cancelled (and turned into a movie). The planned Team Atlantis animated series was going to have a crossover with Gargoyles where Demona got her hands on an Atlantis crystal.
  • The Tom and Jerry movie "Spy Quest" had the titular duo crossover with the cast of Jonny Quest.
  • Static Shock did a number of crossovers with Batman: The Animated Series, Superman: The Animated Series, Batman Beyond, and Justice League.
  • In a Trix cereal commercial, a Trix cereal commercial plays on TV. The Trix rabbit is wearing a trench coat. As always, the kids deny the Trix rabbit any form of sustenance. Bugs Bunny, watching the commercial on TV, turns off the television. It occurs to Bugs that the Trix rabbit requires a trickier disguise. Bugs calls the Trix rabbit, creating a Split-Screen Phone Call, though Bugs steps easily into the other frame and speaks to the Trix rabbit directly, offering assistance in acquiring some Trix. The Trix rabbit immediately begins feening for some fruity Trix, describing all the fruity flavors. Bugs is perplexed as to why there is no carrot flavor, and hands the Trix rabbit a carrot, though the Trix rabbit seems further perplexed. Bugs takes some measurement with measuring tape, and whispers a plan to the Trix rabbit. In part 2, Bugs outfits the Trix Rabbit in a Paper-Thin Disguise intended to fool the kids into believing the Trix rabbit is really Bugs Bunny. The Trix rabbit, wearing his outfit, hides behind a tree and stalks the kids silently. He walks up to them as they are eyeing Trix cereal, and proclaims that he is Bugs Bunny. The kids say "Wow!" and ask him to sign their box of Trix. The Trix rabbit provides a signature on the box, stating, "Sure! Us rabbits love Trix." But, true to form, the Trix rabbit begins jonesin' for those Trix, and backflips out of his costume, yelling, "yippee!" As the Trix rabbit reaches for the box, the kids yet again deny the rabbit the basic right to consume food. Bugs watches the ordeal on TV, and turns off the TV before the commercial can finish. He relaxes at the pool, on a pool chair, enjoying his own box of Trix. Relaxing with a bowl of Trix cereal, he lays back on a cushion, stating, "I prefer a happy ending."
  • Total Drama has a few hints of being in the same universe as 6teen. The first time is in Total Drama Action, when the remaining contestants try to prove they're an inseparable team by recreating the 6teen theme song. The second time is in Total Drama World Tour, when Lindsay mentions shopping at the Khaki Barn, one of 6teen's major stores. The third time is in Total Drama Presents: The Ridonculous Race, when MacArthur mentions Jen Masterson, one of the main characters on 6teen, as a former babysitter (poor Jen). The fourth, and most notable, time is when Jude, another main character on 6teen appeared alongside the Total Drama cast on Total DramaRama as a main character.
  • The USA Network had an unusual crossover involving four shows that made up their Saturday morning lineup in 1996. A character called the Warrior King, voiced by Michael Dorn, chased a mystical orb through several dimensions. His story began in an episode of Street Fighter, continued in an episode of the Savage Dragon animated series and an episode of Mortal Kombat: Defenders of the Realm, before the storyline was concluded in an episode of Wing Commander Academy.
  • Ultimate Spider-Man (2012) met up with Jessie. It featured the Wall-Crawler meeting with animated versions of the show's primary cast on Halloween and going up against Morgan Le Fay. Based on the latter cast's outfits, the crossover is set between the timeline of the latter's season 3 episodes "The Runaway Bride of Frankenstein" and "There Goes the Bride".
  • Wild Kratts: