Tooniverse Collides: 15 Unexpected and Weird Cartoon Crossovers

These unexpected and weird cartoon crossovers have left fans both baffled and utterly entertained. Modern series don’t offer enough gems but luckily we have enough options to choose from.

Here are some of the best cartoon features, most of them still available to stream.

1. “The Simpsons Guy” (2014)

weird cartoon crossovers: The Simpsons Guy
In this crossover, the Griffins from “Family Guy” visit Springfield and befriend the Simpson family. The episode features the signature humor from both shows, with Peter and Homer bonding over donuts, Stewie and Bart’s prank rivalry, and a hilarious chicken fight between Peter and Homer.

2. “Leela and the Genestalk” (2013)

weird cartoon crossovers: Lela and the Genestalk
Finn and Jake from “Adventure Time” make a brief appearance in this “Futurama” episode. They’re chained to the wall and when Jake whispers “What time is it” instead of the usual answer “Adventure Time!” he gets a classic Bender line: “It’s time for you to shut up.”

3. “Ben 10/Generator Rex: Heroes United” (2011)

Ben 10


This one brought together two awesome heroes from different animated series: Ben Tennyson from “Ben 10” and Rex Salazar from “Generator Rex.” Foes in the beginning, Ben and Rex found themselves facing a super-powered villain named Alpha, who threatened to unleash havoc on the world.

4. “Kim Possible: Stitch in Time” (2006)

Kim Possible


Kim Possible, Ron Stoppable, and Rufus the naked mole rat join forces with Lilo and Stitch to stop the evil Dr. Drakken and his henchmen from taking over the world. This crossover combines the action-packed world of Kim Possible with the heartwarming, intergalactic adventures of Lilo and Stitch, creating a unique blend of humor and adventure.

5.”The Jimmy Timmy Power Hour crossover Trilogy” (2004-2006)

weird cartoon crossovers Jimmy Timmy Power Hour jpg
In a series of three TV movies, Timmy Turner from “The Fairly OddParents” and Jimmy Neutron from “Jimmy Neutron: Boy Genius” cross paths, leading to various adventures. They explore each other’s worlds and use their abilities to tackle challenges, blending science and magic in hilarious ways.

6. “Scooby-Doo! & Batman: The Brave and the Bold” (2018)

Scooby-Doo and Batman: The Brave and the bold
Scooby-Doo and the Mystery Inc. gang team up with Batman and other DC Comics heroes to solve a mystery involving some of Batman’s most notorious villains. This crossover combines the sleuthing skills of Scooby-Doo with the superhero action of Batman.

7. “Teen Titans Go! to the Movies” (2018)

Teen Titans! to the movies
While not a traditional crossover, this animated movie features several appearances from different DC Comics characters, including Superman, Wonder Woman, and Green Lantern, interacting with the Teen Titans. It’s a fun take on the superhero genre and features various DC heroes and villains.

8. “Phineas and Ferb: Mission Marvel” (2013)

Phineas and Ferb: Mission Marvel
Phineas and Ferb team up with Marvel superheroes, including Spider-Man, Iron Man, Thor, and the Hulk, to help them regain their powers after the villainous Dr. Doofenshmirtz interferes with the Marvel universe.

9. “The Jetsons Meet the Flintstones” (1987)

The Jetsons Meet the Flintstones


In this classic crossover, the futuristic Jetson family gets transported back in time to the prehistoric era, where they meet the Stone Age Flintstone family. The clash of these two vastly different time periods leads to a lot of culture shocks, making it a memorable crossover for fans of both shows.

10. “The Flintstones Meet Rockula and Frankenstone” (1980)

The Flintstones Meet Rockula and Frankenstone
A Halloween-themed crossover special, the Flintstones meet Count Rockula and Frankenstone, two classic monsters. The Flintstones’ prehistoric world collides with the spooky and supernatural, leading to fun adventures and laughs.

11. “The Grim Adventures of the KND” (2007)

The Grim Adventures of the KND
We have the gang from “Codename: Kids Next Door” on one side and the weird kids from “The Grim Adventures of Billy & Mandy” on the other. Not only that, but you also get to see the guys from Ed, Edd and Eddy. If you were a fan you get the hype. You’ll get your fair share of magic tricks and pranks, all in one show.

12. “Bravo Dooby-Doo” (1997)

Bravo Dooby-Doo
Two hit shows collided to make this one, “Johnny Bravo” and “Scooby-Doo”. It all started with Johnny’s car breaking down, the Scooby gang wanting to help and it all ended in Johnny’s aunt’s haunted mansion. The crossover was a perfect mix of Johnny Bravo’s muscle-flexing silliness and Scooby-Doo’s mystery-solving antics. Fans got to see Johnny trying (and failing) to impress Daphne, and it was comedy gold.

13. “Simpsorama” (2014)

Simpsorama
A crossover episode that fans of “The Simpsons” and “Futurama” couldn’t get enough of. Bender lands in the city of Springfield with one purpose: to kill Homer Simpson. We won’t ruin the plot for you but trust us, it’s worth a watch, if not for the time travel shenanigans at least for the Homer and Bender duo.

14. “Phineas and Ferb: Star Wars” (2014)

Phineas and Ferb: Star Wars

It brought together the lovable characters from the hit animated series “Phineas and Ferb” with the iconic universe of “Star Wars.” The story takes place in a parallel timeline within the “Star Wars” universe, where Phineas and Ferb find themselves on the desert planet of Tatooine. There, they encounter classic “Star Wars” characters like Darth Vader, Luke Skywalker, and Princess Leia. The gang embarks on a comical and out-of-this-world adventure to thwart the plans of the evil Empire.

15. “Laff-A-Lympics” (1977)

Laff-A-Lympics
This one featured a motley crew of Hanna-Barbera’s most iconic characters for a completely crazy and competitive adventure. The show featured three teams: the Scooby-Doobies, the Yogi Yahooeys, and the Really Rottens, each captained by beloved characters like Scooby-Doo, Yogi Bear, and Mumbly. These teams traveled the globe, competing in various sporting events with a classic Hanna-Barbera twist.

Recommended reading next: 17 Weird Cartoon Characters That Are Worth A Second Look

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