Star Trek: Voyager is an American science fiction television series created by Rick Berman, Michael Piller, and Jeri Taylor. It originally aired from January 1995 to May 2001 on UPN, lasting for 172 episodes over seven seasons. The fifth series in the Star Trek franchise, it served as the fourth sequel to Star Trek: The Original Series. Set in the 24th century, when Earth is part of a United Federation of Planets, it follows the adventures of the Starfleet vessel USS Voyager as it attempts to return home after being stranded in the Delta Quadrant on the far side of the Milky Way galaxy.