The Green Death: Episode One 1973
8.1 344 While the Doctor plans a holiday to Metebelis Three, Jo and the Brigadier are intrigued by a mysterious death at a coal mine in Llanfairfach, which is being blamed on local company Global Chemicals.
Runtime: 26
Starts: Jon Pertwee, Katy Manning, Nicholas Courtney, Jerome Willis
Director: Michael E. Briant