21st century Earth is entirely dependent on the T-Mat transport system but the control centre on the moon has stopped functioning. Meanwhile, the Doctor, Jamie and Zoe meet the one man who can solve the crisis.
Did You Know?
When the Doctor, Jamie and Zoe are held at gunpoint, the shadows of several crew members can be seen moving behind Jamie. See more
Bombay-Tokyo shipment activated. Bombay sending now. Tokyo receiving now. Dispatch completed. New York to Moscow delayed, Moonbase clearance awaited. Stockholm-Washington personnel transportation, Stockholm sending now. Washing receiving now. Dispatch completed. Non arrival, shipment of synthetic protein, New York to Moscow, Moonbase clearance awaited.