When discussing whether Cloudbase was a reference to Thunderbirds or Captain Scarlet, the Twelfth Doctor claimed that he had once met Sylvia Anderson, and that "you['d] never seen a foxtrot like it". (TV: Death in Heaven)

Behind the scenes Edit

  • Though the link isn't directly made in Death in Heaven, in the real world, Sylvia Anderson co-created both Thunderbirds and Captain Scarlet alongside her then husband, Gerry Anderson.
  • The Second Doctor novel The Indestructable Man features elements that have been heavily borrowed from Anderson's series, including Thunderbirds, Captain Scarlet, and UFO.
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