Släppt: Jan 23, 1971
Körtid: 100 minuter
Genre: Science Fiction, Drama, Äventyr
Stjärnor: Jon Pertwee, Katy Manning, Nicholas Courtney, Richard Franklin, John Levene, Roger Delgado
Crew: Barry Letts (Producer), Robert Holmes (Writer), Barry Letts (Director), Ken Trew (Costume Design), Dudley Simpson (Original Music Composer), Eric Monk (Lighting Director)