Mrs. Puff finally chose SpongeBob to be hall monitor of the day! Overly excited after acquiring his new position, SpongeBob gives a very long acceptance speech. Finally, when the bell rings, everyone is so excited to leave that SpongeBob doesn't get a chance to do his hall monitor duties. Out of pity, Mrs. Puff allows SpongeBob to wear the uniform for the rest of the day. SpongeBob sets out to aid the citizens of Bikini Bottom, but he ends up causing more harm than good. A jellyfish follows SpongeBob home after a day of jellyfishing, so SpongeBob decides to keep it as a pet. Squidward warns SpongeBob of the difficulties of domesticating a wild animal, but SpongeBob takes no heed. After hours of loud music and dancing with his new jellyfish, SpongeBob goes to bed. During the night, the jellyfish brings its friends into SpongeBob's house which they begin to destroy with their ruckus. Will SpongeBob be able get rid of the jellyfish before they cause any irreparable damage?