Blake's 7 Season 4 Episode 11 Orbit ( Air Date 1981-12-07 ) Genre Drama, Sci-Fi & Fantasy category. Overview "The scientist Egrorian offers Avon a powerful weapon, the Tachyon Funnel, in exchange for Orac. Servalan, who is behind the transfer, prepares a plan to double-cross Avon that would give her both the Tachyon Funnel and Orac.".
Blake's 7 Season 4 Episode 11 Orbit
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- Watch: Blake's 7 Season 4 Episode 11 Orbit on CWR-CRB
- Stars: Josette Simon, Michael Keating, Paul Darrow, Peter Tuddenham, Steven Pacey, Glynis Barber
- Director: Elizabeth Parker, Vere Lorrimer, Dudley Simpson
