In 19th century England, the Sixth Doctor (Colin Baker) finds himself facing two competing enemies: his old adversary the Master (Anthony Ainley), and the Rani (Kate O'Mara), another Time Lord with a sinister plan. The local population and turning violent and unpredictable and, with a major meeting of the brains of the Industrial Revolution due to happen in the village soon, the Doctor must work out what exactly is causing all the problems...
Audio commentary by Colin Baker, Nicola Bryant and Kate O'Mara
Lords and Luddites: A 40-minute documentary, featuring comments from Colin Baker, Nicola Bryant, Kate O'Mara, writers Pip and Jane Baker, actor Gary Cady, script editor Eric Saward and composer Jonathan Gibbs
Now and Then: a look at the Blists Hill Victorian Museum used as the main filming location for this adventure
Blue Peter: An 11-minute feature on the history of Ironbridge Gorge
Saturday Superstore: Colin Baker and Nicola Bryant appear on the BBC children's show, and receive a phone call from an old friend
Deleted and extended scenes
Photo gallery: PDFs of the 1985 Doctor Who Annual and Radio Times listings for this story
Isolated music score for the whole story by Jonathan Gibbs, and an alternative music score for episode one by composer John Lewis