Cody gets his friends involved in a series of lies when he tries to cover up his failure to do his homework. Meanwhile, Zack and Moseby get into an argument, but they learn more about each other as a result of it.
Zack and Marcus attempt to throw a party with some models on the ship and ensure that the modeling agency owner (Kathie Lee Gifford) doesn't find out about it. Meanwhile, Cody mistakenly believes that Bailey is jealous of his former girlfriend.
Arwin installs a robot on the ship that controls everything, but things go awry when the robot develops human-like feelings for Cody. Meanwhile, Zack tutors Woody and London so they can pass gym class.
The guys visit Carey in Tokyo on the set of a soda commercial. After Zack damages the set, he is forced to work as a drink taster to pay for the destruction. Meanwhile, Woody enters a sumo-wrestling challenge.