- 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 — S1E18
Episode: Nature Pants
Air Date: 1999-09-11
Runtime: 11 min
Overview
SpongeBob wants to give up his current life to live with the jellyfish against the wishes of all his friends. But, SpongeBob learns that a jellyfish life is not an easy one.