Returning to Earth after their latest adventure, the Doctor and Sarah Jane arrive at the site of UNIT headquarters, but in 1911 long before its existence. They find themselves in a room filled with Egyptian artifacts in a house owned by Egyptologist Marcus Scarman. They rescue Marcus' colleague, Dr. Warlock, who was shot by Marcus' servant Ibrahim Namin, a fanatical believer in the impending return of the his god, Lord Sutekh. When Sutekh's essence arrives through a space-time portal, he takes control of Marcus Scarman. Written by
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As Sutekh stands from his chair, a crew member's hand can be seen holding the cushion in place and then disappearing. See more
[astounded at the Doctor recognizing his radio telescope invention
How could you possibly know that?
Well, you see, Mr. Scarman, I have the advantage of being slightly ahead of you. Sometimes behind you, but normally ahead of you.
I'm sure you don't, but it's very nice of you to try."