The twins and Maddie compete in the Battle of the Bands at the Tipton.
The twins become popular when other kids discover they live at the hotel; Maddie tutors London in math.
Zack and Cody accidentally let a robot loose in the hotel; London hosts a Halloween costume party.
Zack and Cody see a shooting star and wish for superhero powers.
Mr. Moseby organizes a ballroom dancing competition to help raise money for a party.