Night Warriors: Darkstalkers' Revenge (originally titled Vampire Hunter: The Animated Series (ヴァンパイアハンター THE ANIMATED SERIES) in Japan) is a four-episode OVA anime series by Madhouse Studios under license from Capcom, directed by Masashi Ikeda and originally released in 1997–1998. It is an adaptation of Capcom's Darkstalkers series of video games.