Doctor Who (1963): The Doctor and Romana are caught in the middle of the strange and dangerous evolution of the planet Alzarius. And even the natives don't seem to know what to do�

Starring:

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

Genre:

Adventure, Drama, Sci-Fi