London and Bailey are on a mission to prove that Miss Tutweiller is dating Mr. Moseby after overhearing a conversation between the two. Meanwhile, Zack convinces Cody to sneak out after curfew to catch the Starlight Follies show on the ship. When they finally make it past the security guard and into the show, they become convinced that their teacher, Miss Tutweiller, is one of the showgirls by seeing her heart shaped anklet in the show, and during class, so Zack sends Bailey and London undercover as two showgirls to find out.

When Cody and Kirby don't allow Zack to bungee-jump off the side of the ship, the brothers accidentally knock Kirby off the ship, but Kirby lands in the hot tub. To make it up to him, Zack and Cody tutor Kirby so he can pass his high school equivalency exam to earn a better job. Meanwhile, London embarrasses Bailey on her internet show in a new segment called "Boo You!"

After Kirby injures Moseby, Connie takes over Moseby's work and breaks a boat in a bottle intended as a gift for the captain. Everyone tries to comfort Moseby, but none of them do any good. Moseby overhears mention of a problem with the boat and thinks there is a problem with the full-size ship. London eventually fixes the boat in a bottle. Moseby falls down the stairs and injures everyone except London. Finally, Moseby accidentally breaks the boat and doesn't have enough time to repair it.

Hannah Montana boards the S.S. Tipton on her way to a concert performance in Honolulu. To impress Bailey, Cody desperately tries to get tickets to the show. Meanwhile, the Russo's are still aboard the ship on their vacation in which Alex pulls a prank on Justin by putting blue dye in the hot tub, making him turn blue, for which Mr. Moseby blames Zack, while Max tries to impress London with his magical suitcase.

The crossover starts on Wizards of Waverly Place S02E25 Cast-Away (To Another Show) (I). It continues on Hannah Montana S03E20 Super(stitious) Girl (III).

As punishment for setting off a stink cloud, Zack is made hall monitor, a role which he takes way too seriously. After sending half of the school to detention, Zack experiences the repercussions of upsetting all of his friends. Meanwhile, Bailey gets a job at London's boutique, an extension of London's personal closet.

After Mr. Moseby forbids the gang from playing football, they become interested in fantasy football.

When London's father gives her one million dollars to find an invention to market, she enlists her friends to come up with a unique invention and offers them the cash as a prize. At first everyone comes up with their own ideas, but then they combine their resources, wreaking havoc on the ship with their multifunctional robot.

The SS Tipton is going straight in the path of endangered blue whales motivating Zack, Cody, Bailey, and Marcus to try their best to change the ship's course. They lock themselves into the engine room hoping the whales will safely pass, however they discover it's not as easy as it seems. Cody begins to faint due to heat exhaustion, Marcus becomes desperate for water, and Zack loses it and tries to break free. Eventually, Kirby and Mr. Moseby break into the engine room to attempt to stop them, but after seeing the whales on Cody's laptop, they decide to go along with plan.

While producing a news show for Ms. Tutweiller's class, each of the kids find their own set of problems. Zack and Bailey clash as co-anchors, Cody makes a shocking discovery linked to London during his investigative reporting, Kirby reminisces about the good ole days, while London is having trouble with the green screen.

No longer a couple, Cody and Bailey must choose who keeps Buck, their pet rat. Kirby investigates both to see who will make the better owner, but Woody is bitten by Buck, creating a super-hero alter-ego "Ratman."