Spaceship Earth

A look at the group of people who built the Biosphere 2, a giant replica of the earth's ecosystem, in 1991.

Director: Matt Wolf

Cast:Kathelin Gray , Marie Harding , William Dempster , John Allen , William S. Burroughs , Mark Nelson , Margret Augustine , Tony Burgess , Thor Heyerdahl , Ed Bass , Jane Poynter , Mark Van Thillo , Brian Mortenson , Mindy Blake , Abigail Alling , Linda Leigh , Rue McClanahan , Kathy Dyhr