Season 20
Structurally, the season retread season 18's formula of including a trilogy of stories bound together by an overarching theme. In this instance, the tripartite tale involved Turlough's attempts to kill the Doctor at the behest of the Black Guardian.
Episode Guide
On Gallifrey, someone on the high council is perpetrating a treasonous act - transmitting the Doctor's bio-extract from the space/time matrix to an anti-matter being. On Earth, two English lads spend their last night in Amsterdam sleeping in a crypt where they're attacked by an alien creature under the same anti-matter being's control.
Season 20 FAQs
The cast of Season 20 includes Peter Davison as The Doctor, Janet Fielding as Tegan Jovanka, and Mark Strickson as Vislor Turlough.
Episodes run about 25 mins. The total runtime is about 9h 10 mins.
Season 20 was released on 03 Jan 1983.
Season 20 has 25 seasons and 22 episodes on Fanbiz. Available seasons include Season 1, Season 2, Season 3, Season 4, Season 5, Season 6, Season 7, Season 8, Season 9, Season 10, Season 11, Season 12, Season 13, Season 14, Season 15, The Key to Time, Season 17, Season 18, Season 19, Season 21, Season 22, The Trial of a Time Lord, Season 24, Season 25, and Season 26.