Doctor Who (1963): The Doctor, Peri and Lang follow Edgeworth to Jaconda. They find it has been devastated by giant gastropods. And the gastropod leader, Mestor, is poised to launch a terrible plan�

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