When the ship crosses the International Dateline just as Cody makes his move on Bailey, time is reversed and the day is repeated.
Zack and Cody sneak out after curfew to see the ship's cabaret show Starlight Follies. They are convinced one of the dancers is their teacher Miss Tutweiler.
When the SS Tipton stops in Greece the twins meet Arwin's cousin Milos. Cody gives Bailey a replica of the amulet that's being exhibited, but discovers it's the real thing.