Zack and Cody become very popular once the cool kids discover they live at the Tipton, and the hotel soon becomes "party central." But after things get out of hand, the boys learn who their true friends are.
The twins enter the "Battle of the Bands." Cody and Zack have some "creative differences" and break up the band, only to realize, two are better than one.
A monster-like robot Arwin crashes London's Halloween party.
Esteban is teaching everyone how to ballroom dance for an upcoming competition.
Carey and Cody get sick and Zack has to take care of them. Also, the employees of the hotel compete for Employee of the Month.
