AKA: Gas! -Or- It Became Necessary to Destroy the World in Order to Save It, Gas, Gas! Action Adventure. A gas is released that kills everyone over 25. Starring Robert Corff, Elaine Giftos, Pat Patterson, George Armitage, Alex Wilson, Ben Vereen, Cindy Williams, Bud Cort, Talia Shire, Country Joe and The Fish. Filming locations: Acoma Pueblo, Albuquerque, Belen, Grants, Socorro.