When does The Suite Life on Deck return?

The Suite Life on Deck is an American teen sitcom created by Danny Kallis and Jim Geoghan. The series aired on Disney Channel from September 26, 2008, to May 6, 2011. It is a sequel/spin-off of the series Zack & Cody. It follows twin brothers Zack and Cody Martin and hotel heiress London Tipton in a new setting. The show was also TV's No. 1 series in Kids 6–11 and No. 2 scripted series in tweens 9–14 in 2008.
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.