Planet of Evil (airdate January 1, 1984)
Intro: The Doctor and Sarah, having dispatched the Zygons, and helped return to its abode the Loch Ness Monster, are on their way to London, which trip the TARDIS can make in negative five minutes. They are unable to ignore a mayday call from a distant planet, which will take them to troubles unimagined, including the sound which terrifies: the pitter-patter of the anti-matter monster.
"Next Week": Next week, the world will face the greatest danger it has ever known. Again. This time, the distinct possibility exists that the Egyptian god of darkness will be released, thereby bringing "the gift of death to all mankind." The Doctor and Sarah will find that their troubles will pyramid... next Sunday night at 11.