When does The Suite Life on Deck return?

The Suite Life on Deck is an American teen sitcom that aired on Disney Channel from September 26, 2008, to May 6, 2011. It is a sequel/spin-off of the Disney Channel Original Series the Suite Life of Zack & Cody. The series follows twin brothers Zack and Cody Martin in a new setting, the SS Tipton, where they study-abroad at Seven Seas High School and meet Bailey Pickett while Mr. Moseby manages the ship.
Zack and Cody Martin enroll at Seven Seas High School, a Semester at Sea-like study-abroad program offered on the cruise ship. London Tipton is forced to attend the program under the direction of her father, with Mr. Moseby remaining responsible for her.