Hannah is asked to endorse a new perfume, but she finds that she's allergic to the ingredients. Jackson tries to join a TV survival show.
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 has an exhibition of South American artefacts. When Zack and Cody try to get a private viewing, they create havoc.
The Tipton staff and London must attend a Team Building seminar, which doesn't go as planned. Meanwhile, Zack and Cody secretly let in a bug convention and let the bugs loose.
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.