Patrick recruits SpongeBob into his club, the Empty Head Society. Before entering, SpongeBob is made to remove his brain and hand it in to check-out; however, while doing destructive “community service” with the group, his brainstem shorts out and severely lowers his intelligence. Patrick helps SpongeBob find his brain again.

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!

Bubble Bass is forced to have a playdate with Patrick, who opens a bag of swamp water that sends them into a swamp. There, the duo encounter a group of alligators who cook spicy food, and later a Mermaid Man and Barnacle Boy supervillain who has stolen one of Bubble Bass’s action figures.

SpongeBob and King Neptune swap their spatula and trident. Neptune is unable to fight a kraken using SpongeBob’s spatula and tries to find his trident, while SpongeBob uses the trident to grant wishes that end up backfiring.