The Devil Rides Out - Cast and crew talk about the making of the story. Remembering Barry Letts - A look at the life and work of Barry Letts. Location Film - A mute amateur 8mm film shot in the village of Aldbourne during the location filming. Colourisation Test - The original colourisation test version of episode one from 1992. Tomorrow’s World - An article on the technology used in the restoration. (thetvdb.com)