It calls back a time when there were flowers all over the Earth… and there were valleys. And there were plains of tall green grass that you could lie down in – you could go to sleep in. And there were blue skies, and there was fresh air… and there were things growing all over the place, not just in some domed enclosures blasted some millions of miles out in to space. After the end of all botanical life on Earth, with all the flora and fauna destroyed and forests defoliated, ecologist Freeman Lowell (Bruce Dern) maintains a greenhouse on a space station around the rings of Saturn in order to preserve various plants for future generations. Assisted by three robots (Huey, Dewey and Louie!) and a small human crew (Cliff Potts, Ron Rifkin, Jesse Vint), Lowell rebels when he is ordered to destroy the greenhouse in favor of carrying cargo. The decision he takes puts him at odds with everyone but his robots and they are forced to do anything necessary to keep their invaluable greenery alive. But when he finds himself playing poker with his remaining robots he realises the desperation of loneliness and then his bosses locate him … This is one of a slew of environmentally conscious sci fis from the early 70s. It works because it asks the biggest question: what do we mean in the universe? And it does so simply and without deep philosophical pondering, it’s just a guy in outer space who wants to save the world and realises he misses human companionship. Dern is superb as the uncomplicated man who tries to save himself. Written by Michael Cimino, Steve Bochco and Deric Washburn. The directing debut of 2001‘s effects guy, Douglas Trumbull: when you see his charming robots you’ll know why he got a call from George Lucas for Star Wars. Ecological elegance.