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.
Tomorrowâ€™s World - An article on the technology used in the restoration.
Aired: 17 Jan 2017