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.
The Science Scouts raise money for a trip to Mars in 'Biscuit Ballyhoo', then in 'Student Driver Survivor', a new driving school opens in town. (S15, ep 4)
Squidward takes a new job as Manager of Weenie Hut Jr's in 'Wiener Takes All', then in 'Stuck in an Elevator', Squidward gets trapped on his way to return a nearly overdue library book. (S15, ep 5)
Squidward's amazing new life is threatened in 'Squidness Protection', and in 'Dome Alone', stuck in her dome, Sandy suspects Plankton's up to no good and recruits Patrick to investigate. (S15, ep 6)
SpongeBob must go to extremes when Gary refuses to go to the vet in 'Wary Gary', then in 'Pinned', SpongeBob gets stuck while working out. (S15, ep 7)
Squidward's prankster dad visits in 'Jeffy T's Prankwell Emporium', then in 'A Taste of Plankton', Plankton replaces SpongeBob's tongue. (S15, ep 8)
Perch Perkins is replaced by a robot in 'Smartificial Intelligence', then in 'Firehouse Bob', SpongeBob becomes a fireman. (S15, ep 9)
Plankton becomes a baby food mascot in 'Pablum Plankton', then in 'MuseBob ModelPants', SpongeBob becomes Squidward's muse. (S15, ep 10)
SpongeBob makes a delivery to E.V.I.L. in 'Delivery of Doom', then in 'My Father the Boat', Pearl gets a new boat. (S15, ep 11)
Squidward and Plankton put on a play in 'Who's Afraid of Mr. Snippers?', then in 'A Fish Called Sandy', Sandy experiences life as a fish. (S15, ep 12)
Mr. Krabs and Plankton can't escape each other in 'Making Waves', then in 'Captain Quasar: The Next Iteration', SpongeBob and Bubble Bass form dueling fan clubs. (S15, ep 13)