Burgh had previously appeared as Cameca in the First Doctor serial The Aztecs (1964). John Woodnutt also appeared in Spearhead from Space (1970), Frontier in Space (1973) and as Commander Broton in Terror of the Zygons (1975). Robin Soans subsequently appeared in the Twelfth Doctor episode "Face the Raven" (2015). Broadcast and reception The story was repeated on BBC1 (except BBC1 Wales) across four consecutive evenings from Monday to Thursday, 10–13 August 1981, achieving viewing figures of 5.2, 4.4, 5.2 and 5.0 million viewers respectively. Patrick Mulkern of Radio Times awarded the episode four stars out of five. Writing for Doctor Who The Episode Guide, Mark Campbell regarded the episode as "a welcome respite from the so-called 'hard' science of Season 18." Charlie Jane Anders wrote positively of Nyssa's debut, and lamented her wasted potential in subsequent appearances. Commercial releases In print A novelisation of this serial, written by Terrance Dicks, was published by Target Books in May 1982. Home media The Keeper of Traken was released on VHS in September 1993. In January 2007, it was released on DVD alongside Logopolis and Castrovalva, as part of the "New Beginnings" box set. Notes References External links The Keeper of Traken's sources in The Fisher King, Parsifal and the Pre-Raphaelites Target novelisation Fourth Doctor serials Doctor Who serials novelised by Terrance Dicks The Master (Doctor Who) television stories 1981 British television episodes