No Free Rides / I'm Your Biggest Fanatic - S2-E10
Continuity mistake: No Free Rides: When SpongeBob's boat is falling towards the police car, SpongeBob rips off the top part of Mrs. Puff's ski mask, leaving the bottom half of it on her. In the next shot, it is replaced with her regular outfit.
Answer: "The Secret Box", or maybe "Karate Choppers".
sadie
Yeah, definitely "Karate Choppers."