Blake's 7: Orbit

"Orbit" is the eleventh episode of series four of the British science fiction television series Blake's 7 and the fiftieth episode of the series overall. It was directed by Brian Lighthill with a script written by Robert Holmes. It first aired on BBC One on Monday, December 7th, 1981 at 7:15 pm. In this episode, the Scorpio crew are summoned by Renegade Federation scientist Egorian who wants to unleash vengeance on the Federation. Egorian wants to trade a powerful weapon in exchange for Orac. But Kerr Avon and Vila Restal discover Egorian is working for Servalan in another bid to take Orac, unaware Avon has given Egorian a fake duplicate of Orac.

Notes & Trivia

 * Blake's 7 was created by Terry Nation.