Terminator: The Sarah Connor Chronicles is an American science fiction drama television series. It aired on Fox from January 13, 2008 to April 10, 2009, spanning 31 episodes across two seasons. It is a spin-off from the Terminator film series, disregarding the events of Terminator 3: Rise of the Machines and picking up shortly after Terminator 2: Judgment Day. The series revolves around the lives of Sarah Connor and her son John, who work to prevent the creation of Skynet, an artificially intelligent computer system that will eventually launch a nuclear war on humans.