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 finds out that his hero is living nearby in 'Mermaid Man and Barnacle Boy', and then SpongeBob loses his self-confidence in 'Pickles'. (S1, ep 6)
It's SpongeBob's turn to be 'Hall Monitor' at Boating School, and in 'Jellyfish Jam' SpongeBob takes a wild jellyfish home but it multiplies and the jellyfish begin to take over! (S1, ep 7)
In 'SB-129' Squidward accidentally finds himself in the future, and to his surprise he actually misses SpongeBob, then in 'Karate Choppers' SpongeBob and Sandy discover karate. (S1, ep 14)
In 'Sleepy Time' SpongeBob visits the dreams of his friends and neighbours. While in 'Suds' SpongeBob comes down with an illness which turns him into a bubble maker. (S1, ep 15)
Mr Krabs joins in a game of treasure hunt with SpongeBob and Patrick In 'Arrgh!', while in 'Rock Bottom' SpongeBob gets on the wrong bus and finds himself in a strange town. (S1, ep 17)
Sandy Squirrel comes down with a case of the blues in 'Texas' while in 'Walking Small' the evil Plankton is up to no good again. (S1, ep 18)
Mysterious hooks appear in Bikini Bottom and Mr Krabs warns SpongeBob to stay away from them in 'Hooks', while in 'Mermaidman and Barnacleboy II' SpongeBob wins a big prize! (S1, ep 20)