Season 19, Episode 3 Castrovalva

First Aired: January 11, 1982

The Doctor attempts to explain "recursive occlusion" in Part 3 of "Castrovalva." Portreeve: Neil Toynay. The Master: Anthony Ainley. Nyssa: Sarah Sutton.

Guest Cast

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  • Rating: TV-PG
  • Premise: A cult favorite about the journeys through the universe of a time-traveling eccentric, a cultural icon who has been portrayed by more than a half dozen actors since the show's 1963 debut on the BBC. The campy sci-fi fantasy developed an equally fanatical f… (more)

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