Terminus is the fourth serial of the 20th season in the British science fiction television series Doctor Who, which was originally broadcast in four twice-weekly parts from 15 to 23 February 1983. The serial was the second of three loosely connected serials known as the Black Guardian Trilogy, and marks the final regular appearance of Sarah Sutton as companion Nyssa.
And while that’s all very interesting, the most interesting thing about it is the big fat dog-face thing that walks around and cures people with radiation. I mean, you have to see it to believe it.
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