The Suite Life on Deck is an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 sitcom that aired on Disney Channel

Disney Channel

Disney Channel is an American basic cable and satellite television network, owned by the Disney-ABC Television Group division of The Walt Disney Company. It is under the direction of Disney-ABC Television Group President Anne Sweeney. The channel's headquarters is located on West Alameda Ave. in...

 from September 26, 2008 to May 6, 2011. It is a sequel

Sequel

A sequel is a narrative, documental, or other work of literature, film, theatre, or music that continues the story of or expands upon issues presented in some previous work...

/spin-off

Spin-off (media)

In media, a spin-off is a radio program, television program, video game, or any narrative work, derived from one or more already existing works, that focuses, in particular, in more detail on one aspect of that original work...

 of the Disney Channel Original Series The Suite Life of Zack & Cody. The series follows twin brothers Zack

Zack Martin

Zachary "Zack" Martin is a main character on The Suite Life of Zack & Cody and its spin-off The Suite Life on Deck...

 and Cody Martin

Cody Martin

Cody Martin is a main character created by Danny Kallis and Jim Geoghan for The Suite Life of Zack and Cody and its sequel/spin-off The Suite Life on Deck...

 and hotel heiress London Tipton

London Tipton

London Leah Tipton is a fictional character in Disney's Suite Life franchise which consists of The Suite Life of Zack & Cody and its spin-off The Suite Life on Deck...

 in a new setting, the SS Tipton, where they attend classes at "Seven Seas High" and meet Bailey Pickett

Bailey Pickett

Bailey Marie Pickett is one of the main characters on The Suite Life on Deck. She is from the fictional town of Kettlecorn, Kansas and pretends to be a boy in the premiere episode because there were no available places in the SS Tiptons cabins for a female...

 while Mr. Moseby

Mr. Moseby

Mr. Marion Moseby is a character on The Suite Life of Zack & Cody and its spin-off, The Suite Life on Deck...

 manages the ship.