S2·E25 Cast-Away (To Another Show) (I)

Justin wins an essay contest that allows him to go on the S.S. Tipton and meet London Tipton. Alex soon becomes friends with Bailey Pickett, and uses magic to bring Harper on-board. Max and Zack Martin compete against each other in many crazy challenges.

The crossover continues on The Suite Life on Deck: S01E21 Double-crossed (II). It ends on Hannah Montana: S03E20 Super(stitious) Girl (III)