One day at the Krusty Krab, people are starting to notice that their Krabby Patties are arriving with no patties. Mr. Krabs angrily asks SpongeBob what the deal is, but SpongeBob says he knows nothing about the missing patties. Getting back to work, SpongeBob finds a patty running away from the grill, and into the patty vault. He gets knocked unconscious by the patties, and they go on a rampage. SpongeBob wakes up to find the Krusty Krab destroyed and Bikini Bottom trying to fight back. So then he , Patrick, Sandy , Squidward and mr krab grab spicy mustard to kill them, but it does literally nothing. The patties surround the characters about to kill them when suddenly Mystery appears. She eats all the patties and says the movie's last lines,"I'll be back....."