There's trouble brewing as the Battle of the Bands approaches. Zack and Cody's band ends up splitting, while London buys a place in Maddie's group, with disastrous consequences. Will any of them get it together in time for the competition?
Mr Moseby organises a ballroom dancing competition to help raise money for a party for Esteban's sisters, and Esteban enters Zack and Cody in it.
Zack gets a job at the mini mart, but finds it difficult having Cody as his boss! London's not sure how to introduce Lance to her friends. Maddie's a counsellor at summer school.
Zack and Cody try to nurse their mum, who has flu, but prove pretty useless at it. Competition is fierce for Employee of the Month when Moseby offers a big prize.
London is hosting a Halloween party at the hotel, and it becomes a lot scarier when the twins accidentally let loose a monster like robot which Arwin built.