S17, E11: Trapped face-to-face with the alien creature, the Doctor attempts to communicate with it; Adrasta's group tries to break the blockage created by the creature.
Starring David Brierly, Geoffrey Bayldon, John Bryans
S17, E11: Trapped face-to-face with the alien creature, the Doctor attempts to communicate with it; Adrasta's group tries to break the blockage created by the creature.