Spaceship Earth

The film "Spaceship Earth" (2020) is a documentary that explores the 1991 Biosphere 2 experiment, where eight individuals lived sealed inside a self-engineered replica of Earth's ecosystem for two years. Using archived footage and present-day interviews, the film delves into the challenges faced by the "biospherians" and the accusations of cult mentality that surrounded the project. John Allen, Tony Burgess, Kathelin Gray, Linda Leigh, and Mark Nelson all feature in the film, recounting their experiences as part of the Biosphere 2 team.