Hanging by a Thread: The Making of Logopolis

This documentary focuses on the making of Logopolis, a Doctor Who story that originally aired in 1981. It highlights key aspects of production, including the transition from Tom Baker to Peter Davison as the Doctor.

Featuring interviews and commentary from cast members like Tom Baker, Matthew Waterhouse, Janet Fielding, and Sarah Sutton, the film provides a behind-the-scenes look at the complexities faced by the production team. The documentary is part of the Season 18 Blu-ray collection, making it a notable piece for fans of the series.