Antony Acker

Zack tries to negotiate a better contract for Carey, but almost succeeds in losing her job for her. Nia and London both ask Cody to help with their science projects.

The boys arrange a free cruise holiday for themselves and their mother. She's delighted, but they haven't told her it's only free if she sings on board every night.

Zack loses his skateboard in the lobby and a guest trips over it. Mr Moseby gives the injured man and his daughter a free suite and lots of gifts. Zack and Cody discover the guy is faking his injuries.

Arwin's mother moves out and the twins feel sorry for him. They invite him to dinner but afterwards he won't go home. Zack and Cody give his home a makeover to make it more attractive.

The boys want some independence now they are getting older. Mum lets them go to the cinema alone, but, when they see a horror film instead of the family one Mum agreed to, Zack has nightmares.

The Tipton is holding a Health and Fitness week. Cody encourages Chef Paolo to cook more healthily, while Zack's mother tries to get him to amend his eating habits and cut down on sugar.