Tom Baker plays Doctor Who for the last time in the classic fan favorite "Logopolis," while Peter Davison makes his debut appearance in the title role; includes excerpts of Baker and new interviews ...

Hanging by a Thread: The Making of Logopolis is a documentary about the production of the Doctor Who story, Logopolis, which aired in 1981. It is part of the Season 18 Blu-ray collection of Doctor Who ...