Planet Earth is a 1974 American made-for-television science fiction film that was created by Gene Roddenberry, written by Roddenberry and Juanita Bartlett. It first aired on April 23, 1974 on the ABC network, and stars John Saxon as Dylan Hunt. It was presented as a pilot for what was hoped to be a new weekly television series. The pilot focused on gender relations from an early 1970s perspective. Dylan Hunt, confronted with a post-apocalyptic matriarchal society, muses, "Women's lib? Or women's lib gone mad..." The film also stars Diana Muldaur, Ted Cassidy, Janet Margolin, Christopher Cary, Corrine Camacho, and Majel Barrett. Marc Daniels directed the film.

Eugene Wesley Roddenberry Sr. was an American television screenwriter and producer who created the science fiction franchise Star Trek. Born in El Paso, Texas, Roddenberry grew up in Los Angeles, where his father was a police officer. Roddenberry flew 89 combat missions in the Army Air Forces during World War II and worked as a commercial pilot after the war. Later, he joined the Los Angeles Police Department and began to write for television.