In the '90s, Nickelodeon changed the game for kid’s programming when it debuted its initial trio of original animated series: Doug, Rugrats, and The Ren & Stimpy Show. Characters from all three ...

SpongeBob SquarePants is Nickelodeon's longest-running series, and the little square dude is a major reason for its success. He is a character that children and adults can both empathize with ...