sentences:  He is picked up by a car under Mysteron control and driven to a shack containing a pulsating glass screen, behind which Captain Black (voiced by Donald Gray) is sitting.Instructing Scarlet to relay a "message" to humanity, Black starts a tape recording – in which the Mysterons re-affirm their intention to destroy all life on Earth – and departs.Scarlet smashes the screen to find a second Mysteron crystal, which begins to pulsate violently.