Into the Unknown
- Originální název: Into the Unknown
- Žánr: Dokumentární
- Režie: Ed Stradling
- Hrají: Richard Heffer, Bob Baker, Norman Stewart, Dave Martin, Graham Williams, Norman Tipton, Jonathan Newth, Dick Coles, Anthony Read, AJ Mitchell , další...
A look at the complex production of the Doctor Who story Underworld, with particular emphasis on the difficulties in achieving the bluescreen virtual studio sets.
