The Claws of Axos standard. The story includes interior scenes inside the TARDIS for the first time in the Pertwee era of the show. The configuration of the TARDIS set-up is unique for this adventure. The TARDIS monitor appears to be a circular screen embedded in one of the 'roundels' in the console room wall, rather than the traditional rectangular screen (this feature is seen again once, a year later, on the unique set built for "The Time Monster"). The doors of the console room do not open directly into the exterior as in all other adventures; instead they open into a corridor that
Royal Air Force roundels and upper wing type Bs were also modified by over-painting the red centres in white. The red fin stripe was also painted out with white and, in many cases the blue was extended forward 1 inch making equal widths of . RAAF Mk VIIIs had their roundels and fin flashes modified in the same ways, although some had their upper wing roundels overpainted and replaced with SEAC roundels. All Royal Air Force aircraft carry a flash on the fin. This is either red/white/blue, or red/blue on camouflaged aircraft, with the red stripe nearest the leading edge. Aircraft painted anti-flash white