Comedyfan74

Your Shoe's Untied / Squid's Day Off - S2-E2

Character mistake: In "Squid's Day Off", a wide shot shows Mr. Krabs exiting the hospital, except the building says" ENEREENCY" instead of "EMERGENCY."

bobthedancingdonut

Not Normal/Gone - S6-E4

Revealing mistake: In "Not Normal" when SpongeBob says "Hmm. This video tape should help," his left arm is missing. (00:01:25)

himan