Logopolis (airdate September 30, 1984)
(Introduction not currently available)
"Next Week": The Doctor's former body is now regenerated into that of a blond, younger man. But is his mind right? And will the Master take advantage of this opportunity to destroy his enemy once and for all? No... and yes. All that is certain now is that you will be privy to adventure, and perhaps even to... Event One, when you join us next Sunday night at 11 for... "Castrovalva."