Sources used: videocassette container.
produced by Dark Horse Entertainment, Mutual Film Company, Valhalla Motion Pictures, Pacific Western Productions ; produced in association with Tele-Munchen, UGC PH, BBC, and Marubeni/Toho-Towa ; directed by John Bruno ; produced by Gale Anne Hurd, Todd Moyer, Dennis E. Jones, Bud Smith ; screenplay by Chuck Pfarrer, Dennis Feldman.
The third planet.
producer, Barry Stoner.
Copyright: Hanna-Barbera Cartoons, Inc. NM: all other cinematographic material including, without limitation, the teleplay; certain music. DCR 1994; PUB 26Feb94; REG 22Aug94; PA716-066.
a production of WQED Pittsburgh in association with the National Academy of Sciences ; producer, Theodore Thomas.
Copyright: PUB 1990; REG 12Dec90; PA496-619.
creators, Marta Kauffman and Howard J. Morris ; director, Silver Tree ; writer, Alex Burnett.