Stephen Hillenburg, a marine science educator and animator, created the character SpongeBob SquarePants and pitched the concept to Nickelodeon.
The first episode of SpongeBob SquarePants aired on Nickelodeon, marking the official debut of the franchise.
The first feature-length SpongeBob SquarePants movie was released in theaters, expanding the franchise beyond television.
Nickelodeon announced a spin-off series focusing on Sandy Cheeks, a character from SpongeBob SquarePants.
The second SpongeBob SquarePants theatrical movie was released, embracing digital release platforms.
SpongeBob SquarePants begins his job as a fry cook at the Krusty Krab under Mr. Krabs' management.
SpongeBob becomes best friends with Patrick Star, a starfish living under a rock next door.
After many failed attempts, SpongeBob finally earns his boating license from Mrs. Puff's Boating School.
Plankton opens the rival restaurant the Chum Bucket across the street from the Krusty Krab.
Squidward Tentacles starts his job as the cashier at the Krusty Krab.
SpongeBob, Patrick, and Squidward go jellyfishing together for the first time.
SpongeBob competes in the annual Golden Spatula cooking tournament and wins the grand prize.
Sandy, the squirrel from Texas, moves to Bikini Bottom and becomes part of SpongeBob's friend group.
Plankton attempts but fails to steal the Krabby Patty secret formula multiple times.
SpongeBob disables the boatmobiles and helps reduce traffic in Bikini Bottom.