Castrovalva (4)

Jan 12, 1982 on BBC One at 5:15 PM
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Summary

The TARDIS crew are caught in a space-time trap. Escaping will mean a final confrontation with the Master.

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Castrovalva (3)
Season 19 Episode 3

Jan 11, 1982

Next episode

Four to Doomsday (2)
Season 19 Episode 6

Jan 19, 1982

Guest stars

Anthony Ainley, Dallas Cavell, Derek Waring, Frank Wylie, Michael Sheard, Souska John