Squidward can’t recall his happiest memory, so SpongeBob “helps” him create one.

Karen receives a baby computer in the mail, while Plankton protests. While Karen enjoys raising her child, Plankton gives him bad advice and convinces him to run away.

SpongeBob joins a gang called the Sharks, but soon learns that they are feared and hated around town. When SpongeBob mistakenly believes the Sharks kidnapped Gary, SpongeBob prepares to fight with them at a showdown, only to find that it is a dance battle, with Gary as the DJ.

Sandy, Karen, and Mrs. Puff invite Pearl to go camping. Pearl brings SpongeBob along to prank them, but he gets lost in the woods. Meanwhile, the girls tell Pearl a scary story that turns out to be true.

Once Bitten: Gary starts biting everyone in town, starting with Squidward. Squidward is convinced that he has a rare snail disease and spreads the word throughout the town. The Snail Bite panic spreads leading to Zombie-like behavior and a manhunt for Gary.

SpongeBob is followed by migrating clams, who disrupt people around town. He agrees to lead the clams away after complaints by the citizens, and after acting like a clam for a season, returns home.