A family awakens to find themselves trapped in their own home, all windows and doors sealed by impenetrable walls. They desperately try to escape but everything fails. Then the wife notices a bizarre pattern.

Production Details
© 1984 Twentieth Century Fox Film Corporation, All rights reserved
The characters and incidents portrayed and the names used herin are fictitious and any similarity to the name, character or history of any person is entirely co-incidental.
Produced by Hammer Film Productions Limited
ITV London Transmission Date: 8th October 1984
Locations:
Elstree Studios, Borehamwood, Hertfordshire – “Between the walls” scenes of the house
Holy Cross Church Hall, Balmoral Drive, Borehamwood – Interior of futuristic house seen in final scene
Boynton Lodge, Theobald Street, Radlett, Hertfordshire – Interiors of family house
Stills from episode
Click an image for enlarged slideshow
Cast & Crew
Cast – Complete, awaiting verification
Footnotes
Mary Crosby (daughter of Bing Crosby) played Kirsten Shepard in Lorimar Television’s long running series Dallas