The Face of the Fendahl (unproduced home video)
From Tardis Wiki, the free Doctor Who reference
The Face of the Fendahl was an unproduced Reeltime Pictures film by David J. Howe. It would have been the third film to feature Kate Lethbridge-Stewart and Douglas Cavendish. The script was written, and was to be filmed in a castle in Crete.
The return of Doctor Who to TV put a stop to the production being made, in addition to stars Beverley Cressman and Miles Richardson splitting up. (REF: Downtime – The Lost Years of Doctor Who)
Behind the scenes
The script is available to read in Talespinning from Telos Publishing.