- 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 — S2E12
Episode: Wormy
Air Date: 2001-02-17
Runtime: 11 min
Overview
Sandy is going away and calls SpongeBob and Patrick to take care of her pets. One of them is a worm, and SpongeBob and Patrick have fun with it all day long, until the next day when it transforms into a butterfly and everybody in town gets scared of it.