Season 1: May 1, 1999-April 8, 2000
| Title card | # | Title | Airdate |
 | "Help Wanted" | May 1, 1999 | |
| SpongeBob perserves in getting a job at the Krusty Krab, despite the obstacles he has to face (ex. finding a non-existent spatula) | |||
 | "Reef Blower" | May 1, 1999 | |
| SpongeBob attempts to move a shell off of his lawn. | |||
 | "Tea at the Treedome" | May 1, 1999 | |
| SpongeBob meets Sandy Cheeks. | |||
 | "Bubblestand" | July 17, 1999 | |
| SpongeBob starts a bubblestand. | |||
 | "Ripped Pants" | July 17, 1999 | |
| SpongeBob rips his pants, which causes everyone to laugh. | |||
 | "Jellyfishing" | July 31, 1999 | |
| SpongeBob and Patrick take Squidward jellyfishing. | |||
 | "Plankton!" | July 31, 1999 | |
| Plankton uses mind control to obtain the Krabby Patty formula. | |||
 | "Naughty Nautical Neighbors" | August 7, 1999 | |
| Squidward destroys SpongeBob and Patrick's friendship. | |||
 | "Boating School" | August 7, 1999 | |
| Patrick attempts to help SpongeBob pass his driving exam. | |||
 | "Pizza Delivery" | August 14, 1999 | |
| SpongeBob and Squidward deliver a pizza. | |||
 | "Home Sweet Pineapple" | August 14, 1999 | |
| SpongeBob's house is destroyed by nematodes. | |||
 | "Mermaid Man and Barnacle Boy" | August 21, 1999 | |
| SpongeBob and Patrick learn that their heroes are retired. | |||
 | "Pickles" | August 21, 1999 | |
| SpongeBob loses his confidence. | |||
 | "Hall Monitor" | August 28, 1999 | |
| SpongeBob becomes hall monitor, resulting in chaos. | |||
 | "Jellyfish Jam" | August 28, 1999 | |
| SpongeBob brings home a jellyfish, creating chaos. | |||
 | "Sandy's Rocket" | September 4, 1999 | |
| SpongeBob and Patrick sneak onto Sandy's rocket ship. | |||
 | "Squeaky Boots" | September 4, 1999 | |
| SpongeBob buys boots from Mr. Krabs, which causes an annoying squeak sound. | |||
 | "Nature Pants" | September 11, 1999 | |
| SpongeBob gives up a modern life to live with the jellyfish. | |||
 | "Opposite Day" | September 11, 1999 | |
| Squidward tells SpongeBob and Patrick that it is Opposite Day. | |||
 | "Culture Shock" | September 18, 1999 | |
| Squidward hosts a talent show at the Krusty Krab. | |||
 | "F.U.N." | September 18, 1999 | |
| SpongeBob befriends Plankton because he thinks he is lonely. | |||
 | "MuscleBob BuffPants" | September 25, 1999 | |
| SpongeBob orders fake arms with inflatable muscles. | |||
 | "Squidward the Unfriendly Ghost" | September 25, 1999 | |
| Squidward pretends to be a ghost after SpongeBob and Patrick think he is dead. | |||
 | "The Chaperone" | October 2, 1999 | |
| SpongeBob takes Pearl to her prom. | |||
 | "Employee of the Month" | October 2, 1999 | |
| SpongeBob and Squidward compete for the Employee of the Month award. | |||
 | "Scaredy Pants" | October 28, 1999 | |
| SpongeBob becomes a ghost for Halloween. | |||
 | "I Was a Teenage Gary" | October 28, 1999 | |
| SpongeBob accidentally transforms into a snail. | |||
 | "SB-129" | December 31, 1999 | |
| Squidward accidentally freezes himself and travels time. | |||
 | "Karate Choppers" | December 31, 1999 | |
| SpongeBob and Sandy get obsessed with karate. | |||
 | "Sleepy Time" | January 17, 2000 | |
| SpongeBob visits the dreams of others. | |||
 | "Suds" | January 17, 2000 | |
| SpongeBob catches the suds. | |||
 | "Valentine's Day" | February 14, 2000 | |
| SpongeBob and Sandy try to give Patrick a Valentine's day gift. | |||
 | "The Paper" | February 14, 2000 | |
| SpongeBob plays with a bubble gum wrapper. | |||
 | "Arrgh!" | March 15, 2000 | |
| SpongeBob, Patrick, and Mr. Krabs go on a treasure hunt. | |||
 | "Rock Bottom" | March 15, 2000 | |
| SpongeBob gets stuck in Rock Bottom. | |||
 | "Texas" | March 22, 2000 | |
| Sandy feels home sick and attempts to go to Texas. | |||
 | "Walking Small" | March 22, 2000 | |
| Plankton tricks SpongeBob into becoming assertive so he can build his Mega Bucket. | |||
 | "Fools in April" | April 1, 2000 | |
| Squidward plays a nasty prank on SpongeBob. | |||
 | "Neptune's Spatula" | April 1, 2000 | |
| SpongeBob is challenged to a cooking competition with King Neptune. | |||
 | "Hooky" | April 8, 2000 | |
| SpongeBob plays "hooky" with Patrick. | |||
 | "Mermaid Man and Barnacle Boy II" | April 8, 2000 | |
| SpongeBob wins a conch shell in a contest to summon Mermaid Man and Barnacle Boy. | |||
