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
All That Heaven Allows would not allow it, as he wanted a more positive ending. Some exteriors for the film were shot on “Colonial Street,” a studio backlot built by Paramount Pictures on the property of Universal Studios four years earlier and used in the film "The Desperate Hours". The set was re-designed to mimic an upper-middle class, New England town. The film contains only one visible crane shot in which the camera scan over the fictional town of Stoningham, seen during the opening credits. Tracking and dollying shots are used frequently for interior shots. The set was later featured on the television series