Antony Acker

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.

Cody helps London to produce her own online web show. Zack becomes addicted to the online web game, and doesn't realise that his fiercest opponent in cyber space is actually Moseby.

Mr Tipton is coming to visit. Rumours are rife: is he coming to give someone a big bonus, or fire someone? It's a chance to look back at the best and worst behaviour.

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.

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.

Cody gets jealous when a famous teenage Russian violinist enrols at their school and flirts with Barbara. London tries to learn the hotel business by shadowing other employees.