BBC science fiction adventure series featuring William Hartnell as Dr. Who, Carole Ann Ford as Susan, Jacqueline Hill as Barbara Wright and William Russell as Ian. Chesterton: The Forest of Fear. Dr. Who and his companions escape from the cave of skulls with the help of an elderly tribeswoman who doesn't want either Kal or Za to learn the secret of fire, because of their struggle for leadership of the tribe (A)