Doctor Who (1963): Wales, the near future. While the Doctor finally gets to visit Metebelis Three, Jo and UNIT investigate a spate of strange deaths near Global Chemicals' plant. What effect has the company's toxic waste had on the local wildlife…?
Elisabeth Sladen, Frazer Hines, Jacqueline Hill, John Levene, John Scott Martin, Jon Pertwee, Katy Manning, Nicholas Courtney, Pat Gorman, Patrick Troughton, Peter Davison, Tom Baker, William Hartnell, William Russell
Adventure, Drama, Sci-Fi
Maybe also available here.