London holds a competition between Cody and Woody to decide which one of them will accompany her on her trip to the Tipton Space Station. Desperate to win, Cody and Woody each try to sabotage the other during the competition. Meanwhile, Zack is in charge of the senior citizen's activities and meets a passenger who is unwilling to participate in any of the activities. Zack makes multiple attempts to find something he wants to do and finally discovers that he enjoys playing pranks on other people. Together, they try to pull off a series of pranks on the other passengers.