Cartoons Set in the Same Universe: A Closer Look at Cartoon Network

Cartoons that likely take place in the Same universe:

Fairly Odd Parents and Danny Phantom likely Take place in the Same Universe the Crash Nebula series exists in both shows, and Danny was wanted in Season 7 episode 14 Poltergeeks, and even Dash Baxter makes a cameo in Fairly Odd Parents.

Amphibia, Gravity Falls and Owl House, likely take place on the same Earth or at least the same dimension: Eda is implied to be Grunkle Stan’s ex wife, and she appeared in a wanted poster in a Gravity Falls Comic, and a newspaper about Amphibia shows up in the Owl House Season 2 finale.

Family Guy, American Dad, and the Simpsons take place on the same planet as show in their crossovers.

Dexter, Powerpuff Girls, and Samurai Jack likely take place in the same universe: Dexter and the PPG are Classmates and Samuri Jack is from the same place but a different time, as shown by the Talking Dog Billboard.

Kim Possible, Recess, Proud Family, Lilo and Stitch and American Dragon take place in the Same Earth, as seen in their crossover episodes.