The Doctor and Tegan meet again and remember their terrifying adventure against the Cybermen to save the Earth… and the friend they lost along the way.
Sydney briefs her CIA handler, Agent Vaughn, on her recent captivity at SD-6 and is surprised when he unexpectedly gives her a Christmas gift. Meanwhile Jack has to find a…
Marcus starts snooping around Downbelow when some of his contacts start behaving unusually and a lurker is found dead with a strange creature bonded to his spine. Ivanova investigates Corwin’s…
