SpongeBob SquarePants Season 3 Episode 17 Soap2Day

After watching a horror movie, the next day at work SpongeBob thinks that Mr. Krabs is a robot. SpongeBob soon convinces Squidward that Mr. Krabs is a robot, and the two think that robots are going to take over the entire sea. Then they both question Mr. Krabs, and try to make him admit that he is a robot. Finally they realize the truth, which is just how the movie ended.