SpongeBob and Patrick want to include Squidward in their jellyfishing fun, but Squid brushes them off only to be stung by a jellyfish while riding his bike! After Squidward returns from the hospital, SpongeBob and Patrick want to give him his best day ever which includes... jellyfishing! Squidward finds the jellyfish that stung him and goes to seek his revenge, but he ends up with a little more than he bargained for when he meets the jellyfish's mother!