London doesn't make the cheer-leading squad, so decides to form her own with Cody and friends. Zack is having some problems with the basketball team's coach, but it all works out.
Zack and Cody take part in a challenge to see which minimart's staff can bag goods fastest. London has a party after the Toxic Vomit gig, but it gets out of hand.
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.
It's the first day of high school for Zack and Cody. It's also the first day for London, who's never been to a state school before. They all end up in detention.
Maddie is back from Antarctica and problems ensue when she wants her shift back, Zack wrecks a guest's bagpipes, and Moseby has a team dynamics session that goes disastrously wrong.