"Boo You" is the tenth episode of The Suite Life on Deck.
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, who is by then attached to the bungee cord, gets pulled back and, after a short flight, 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 promotion. Meanwhile, London embarrasses Bailey on her internet show in a new segment called "Boo You!"
- Phill Lewis as Mr. Moseby
- Erin Cardillo as Emma Tutweiller, Windell D. Middlebrooks as Kirby, Chad Duell as Holden
- London first mentioned her "Boo You" frown right before her 24-hour Yay Me broadcast in "Let Us Entertain You," a season 3 episode of The Suite Life of Zack & Cody.