EPISODE · BBC IPLAYER

Season 19 · Episode 4

Landed Tue, 12 Jan 1982 · 12:15 your time · 1 episode · 25m

Season 19, Episode 4 of Doctor Who aired Tuesday, 12 January 1982 at 5.15pm UK time on BBC iPlayer.

EPISODES0 of 1 watched

S19E04Castrovalva, Part Four25mThe Doctor discovers Castrovalva is a cursive occlusion, an impossible yet manifested Escheresque environment, with all pathways, no matter which direction one goes, leading back to the same point. It is a trap laid by the Master with no apparent way out.

NEXT IN SEASON 19

Episode 5

Mon 18 Jan · 12:15

Doctor Who

26 seasons · 700 episodes · ended

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