Star Trek had four spin-off television series.
Star Trek . The Star Trek canon of the franchise includes The Original Series , an animated series , four spin-off television series , its film franchise and an upcoming television series scheduled to debut in 2017 . Four spin-off television series were eventually produced : Star Trek : The Next Generation followed the crew of a new starship Enterprise set a century after the original series ; Star Trek : Deep Space Nine and Star Trek : Voyager set contemporaneously with The Next Generation ; and Star Trek : Enterprise set before the original series in the early days of human interstellar travel .