It's a special episode featuring a threatening giant purple ball of goo. Then, Plankton sabotages SpongeBob's spatula, SpongeBob's deepest secrets are revealed, Patrick wreaks havoc, and SpongeBob goes back to milkshake-making school.
| Actor | Role |
|---|---|
 Tom KennySpongeBob (voice) | SpongeBob (voice) |
 Bill FagerbakkePatrick (voice) | Patrick (voice) |
 Rodger BumpassSquidward (voice) | Squidward (voice) |
 Clancy BrownMr. Krabs (voice) | Mr. Krabs (voice) |
 Mr. LawrencePlankton (voice) | Plankton (voice) |
 Carolyn LawrenceSandy (voice) | Sandy (voice) |
 Mary Jo CatlettMrs. Puff (voice) | Mrs. Puff (voice) |