Flight 29 Down (2005)

This show focuses on 7 of the 10 teenage survivors of a plane crash. They're all from LA but not all of them are friends. Their plane lands on some island in the South Pacific. 3 of the teens and the pilot go off in the jungle to explore it leaving the other 7 to worry about setting up camp and finding enough food and water. They have a radio but it is a long time before they get any contact with anyone. Each episode takes place within 1 or half a day of them being on the island. Drama occurs between the castaways revealing their insecurities, crushes, egos, and social problems. Surviving becomes more than just finding enough food and shelter. They eventually become like a family, having to learn to live and work together