Castrovalva: Part One is an episode of Doctor Who starring Peter Davison, Janet Fielding, and Sarah Sutton. The Doctor has regenerated but it hasn't gone well. He's mentally unraveling and needs a place to rest beyond outside...
Runtime: 50 minutes
Genre: Adventure, Drama, Family, Sci-Fi
Stars: Peter Davison, Janet Fielding, Sarah Sutton, Matthew Waterhouse
Director: Fiona Cumming, Christopher H. Bidmead, Sydney Newman