- Tom Kenny (SpongeBob SquarePants / Gary the Snail (voice))
- Bill Fagerbakke (Patrick Star (voice))
- Rodger Bumpass (Squidward (voice))
- Clancy Brown (Mr. Krabs (voice))
- Carolyn Lawrence (Sandy Cheeks (voice))
- Mary Jo Catlett (Mrs. Puff (voice))
- Mr. Lawrence (Plankton / Larry the Lobster (voice))
- Jill Talley (Karen Plankton (voice))
- Lori Alan (Pearl Krabs (voice))
SpongeBob SquarePants — S1E38
Episode: Fools in April
Air Date: 2000-04-01
Runtime: 11 min
Overview
Squidward wakes up and finds out it is April Fools Day. April Fools Day is SpongeBob's favorite holiday so Squidward becomes paranoid, thinking SpongeBob will play a joke on him. Squidward plays a mean trick on SpongeBob, but after SpongeBob runs home crying, Squidward must apologize.