The Inmates of Summer: Instead of getting on the ship headed for summer camp, SpongeBob and Patrick accidentally board a ship full of prisoners on their way to jail on Inferno Island.

Single Cell Anniversary: It’s Karen and Plankton’s wedding anniversary, and Karen has gotten Plankton the best anniversary gift ever-the Krabby Patty formula! But she refuses to give it to him until Plankton gives her the best gift ever, too. If only he knew what that was!

Sandy reads a book on behavioral psychology, and sets up an observation to see how SpongeBob and Patrick act. Patrick is put in charge, leading him to act bossy when Sandy gives them various tasks.

A Krabby Patty grows too large after Mr. Krabs adds Sandy’s scientific ingredients to it.

When the health inspector puts the Krusty Krab under quarantine, SpongeBob, Patrick, Squidward, Mr. Krabs, Pearl, and Mrs. Puff go crazy trying to figure out who has the illness.