The Professor determines that the lack of vitamin C on the island threatens the health of the castaways. While watching the last of their orange seeds to protect them from the cold night air, Gilligan falls asleep and dreams that he is Jack from ""Jack in the Beanstalk.""
Elenco: Bob Denver , Alan Hale Jr. , Russell Johnson , Jim Backus , Natalie Schafer , Tina Louise , Dawn Wells .