On this day in television history - Space 1999 (1977)

Space 1999
Season 2. Episode 21.

Episode entitled: Dorzak.

Released February 27, 1977.

Directed by Val Guest.

Written by Christopher Penfold.

Series created by Gerry Anderson and Sylvia Anderson.

Music by Derek Wadsworth.

Cast: Martin Landau, Barbara Bain, Catherine Schell, Tony Anholt, Nick Tate, Lee Montague, Jill Townsend, Kathryn Leigh Scott, Sam Dastor, Seretta Wilson, Richard Le Parmentier, Yasuko Nagazumi, Paul Jerricho, John Judd, Jenny Cresswell, Quentin Pierre, Marc Smith.