Maddie's school is holding its prom at the hotel. When top band Maroon 5 pull out, Zack and Cody save the day by persuading hotel guests Cirque de Fantastique to perform instead.
Diana begins to suspect a link between an artist's (Roddy McDowall) amazingly lifelike sculptures and a recent rash of art thefts.
Banner helps a young woman whose father left her a wax museum, now run by her unscrupulous uncle.
When Alice quits, Mel replaces her with a robot that wins the customers' approval.