Trivia / Blake's 7 S4 E3: "Traitor"

• Hey, It's That Place!: The Binnegar Heath sandpits were previously seen as the planet Zondar in "Shadow", as well as appearing in the classic Doctor Who story "Destiny of the Daleks".
• Prop Recycling: Several extras wore costumes that had been seen in earlier episodes. Tarrant's costume was previously worn by Avon.
• What Could Have Been
  • Forbus was part of a story arc involving the rebels gathering scientists and artefacts for an attack on the Federation on Earth for the season finale.
  • Sleer was devised as a Suspiciously Similar Substitute for Servalan in case Jacqueline Pearce didn't return to the show.
  • Early drafts of the episode featured Cally in the role given to Soolin^note This had to be rewritten when Jan Chappell declined to return for Season 4.
• Working Title: A Land Fit for Helots.

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