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The Zero Imperative

1 – The Zero Imperative
Production
Directed by Bill Baggs
Written by Mark Gatiss
Produced by Bill Baggs
Executive producer(s) Andy Grant
Length 60 minutes
Originally broadcast January 1994
List of Doctor Who serials
2 – The Devil of Winterborne
Production
Directed by Bill Baggs
Written by Mark Gatiss
Produced by Bill Baggs
Length 80 minutes
Originally broadcast January 1995
List of Doctor Who serials
3 – Unnatural Selection
Production
Directed by Bill Baggs
Written by Mark Gatiss
Produced by Bill Baggs
Length 47 min.
Originally broadcast October 1996
List of Doctor Who serials
4 – Ghosts of Winterborne
Production
Directed by Bill Baggs
Written by Mark Gatiss
Produced by Bill Baggs
Length 42 min.
Originally broadcast November 1996
List of Doctor Who serials
5 – When to Die
Production
Directed by Bill Baggs
Written by Bill Baggs
Produced by Bill Baggs
Originally broadcast 20 April 2015
List of Doctor Who serials

P.R.O.B.E. is a series of videos mostly written by Mark Gatiss and produced by BBV Productions. It predates Torchwood as the first ongoing spin-off of the Doctor Who universe.

The series features Caroline John as Liz Shaw, working for the Preternatural Research Bureau. Many former Doctor Who actors, including former Doctors Jon Pertwee, Peter Davison, Colin Baker and Sylvester McCoy, appear in the series playing different roles. (Due to licensing restrictions, no overt reference to The Doctor is permitted.) Doctor Who alumna Louise Jameson co-stars with Caroline John in all four films, as Patricia Haggard.

Originally released on VHS, the series is not widely available on video. When an interviewer commented to series author Mark Gatiss that he had never seen the series, Gatiss replied "No, and you never will. One, they're not available. And two, I forbid it. Christ, for all I knew, they were the only things I would ever get to make. And I learned a frightening amount from working on them." All four films were released on DVD on 3 March 2012 exclusive to Galaxy 4 shop with a 12 rating.

A fifth film written and directed by Bill Baggs was released 20 April 2015 with Hazel Burrows taking over as Liz Shaw.

The Zero Imperative was released direct-to-video in January 1994 by BBV.

Former UNIT luminary Liz Shaw and her assistant Bayliss are investigating a series of bizarre murders, all committed near a soon-to-be-closed psychiatric hospital.

When the hospital is unexpectedly reprieved by rich Industrialist Peter Russell events seem to move out of Liz's control. Are the incumbent director of the clinic, Doctor Dove and his predecessor Doctor O'Kane harbouring the killer? What is the centuries-old horror hidden in the grounds?


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