An accident-prone yellow sea sponge, who works in a fast-food restaurant, has adventures with his friends in the underwater city of Bikini Bottom.
SpongeBob and Patrick try to join the extreme sports team The Drasticals in 'Extreme Spots', and then in 'Squirrel Record', Sandy finds a book of world records and tries to break them all!
SpongeBob and Patrick get hooked on the latest fad - flying their own brains around like a tiny drone.
SpongeBob is forced to go back to the milkshake academy in 'License to Milkshake', and then in 'Squid Baby', SpongeBob and Patrick must look after Squidward after he hits his head.
SpongeBob finds a nasty sea urchin living in the Krusty Krab in 'Eek, An Urchin!', and then in 'Squid's Defense', Squidward convinces SpongeBob and Sandy to teach him karate.
Patrick becomes a superhero in 'Patrick-Man!', and then in 'Gary's New Toy', Gary becomes obsessed with his new red ball, forcing SpongeBob to take drastic measures to intervene.
Squidward finds a good book which happens to be SpongeBob's private diary, in 'Little Yellow Book', and then in 'Bumper to Bumper', Mrs. Puff is again teaching SpongeBob to drive.
An imprisoned Plankton tries to break out of jail and steal the secret formula in 'Jailbreak!', and then in 'Evil Spatula', Spongebob replaces his broken spatula with a magical one from Plankton.
Mr Krabs gets trapped in Bikini Bottom's brand-new bank in 'Safe Deposit Krabs', and then in 'Plankton's Pet', Plankton gets a pet to cheer himself up.
SpongeBob and Patrick go to see the latest horror film, only to be seemingly stalked by the villain in 'Don't Look Now', and then there's ghostly goings-on in 'Seance Schmeance'.
In order to save money, Mr. Krabs fires SpongeBob. Unable to just "do nothing", SpongeBob decides to go back to work doing anything, anywhere.
A giant goo bubble emerges from Goo Lagoon and threatens all of Bikini Bottom - except for Plankton, who plans to use the bubble for his own evil ends.
SpongeBob will do anything to get to meet his newest hero in 'Kenny the Cat', and then in 'Yeti Krabs', Mr Krabs spins the story of the monstrous Yeti Crab which eats lazy workers.
SpongeBob tries to take a shortcut to work, but becomes lost in 'Lost in Bikini Bottom', then in 'Tutor Sauce', after failing his driver's test again, Mr Krabs decides to teach SpongeBob how to drive.
After receiving an invitation, Squidward scrambles to find a friend to take with him in 'Squid Plus One', and then in 'The Executive Treatment', Patrick gets swept up in the world of business.
Mr Krabs throws an event to boost morale, but Plankton is hosting his own on the same day in 'Company Picnic', and then in 'Pull Up a Barrel', Mr Krabs regales SpongeBob with tales from his Navy days.
SpongeBob cares for the stray snails that start appearing around Bikini Bottom in 'Sanctuary!', while in 'What's Eating Patrick?', Patrick enters a Krabby Patty eating competition.
Patrick invents a new board game in 'Patrick! The Game', and then in 'The Sewers of Bikini Bottom', after accidentally flushing Mr Krabs' safe, SpongeBob and Squidward enter the sewers to find it.
Pearl gets a job to be cool like her friends in 'Mall Girl Pearl', and then in 'Two Thumbs Down', SpongeBob loses the use of his thumbs and must get them working before his entire life falls apart.
Attempting to get more work out of Squidward, Mr. Krabs spins the story of the monstrous Yeti Crab, which eats lazy workers.
The Sharks are the toughest guys in town, but their next confrontation might be too much in 'Sharks vs. Pods', and then in 'CopyBob DittoPants', Plankton clones SpongeBob to steal the secret formula.
When stray snails start appearing around Bikini Bottom, SpongeBob decides to care for them himself. (S9 Ep26)
To defend Bikini Bottom's honour, Patrick enters a Krabby Patty eating competition. (S9 Ep27)