The series:  'P.R.O.B.E.' is one of the Doctor Who spin-offs produced by BBV Productions during the long absence
of our favourite show from television. Four direct-to-video films were produced from 1994 to 1996, featuring the work of
the Preternatural Research Bureau. Caroline John reprises her role as Dr Liz Shaw, who heads a team that looks into
unusual and paranormal phenomena on behalf of P.R.O.B.E., which bears some similarities to UNIT. Louise Jameson
features in all four stories as Liz's friend and colleague, Patricia Haggard, while many other Doctor Who actors were
also in the series (but not as Who characters, due to licensing restrictions), including Jon Pertwee, Colin Baker, Peter
Davison and Sylvester McCoy. The four stories were written by new-Who writer and actor Mark Gatiss, who also had 
minor roles in all but one episode.

The episode:  The series was launched with a bang in 1994, with 'The Zero Imperative', which features four past doctors
(although Peter Davison only appears briefly at the end), plus three former companions. Dr Dove (Sylvester McCoy) is the
director of a psychiatric hospital that was scheduled to be closed, until a wealthy industrialist Peter Russell (Colin Baker)
steps in and provides funding to keep it open for another year, although his motives are unclear. The previous director, Dr
Jeremiah O'Kane (Jon Pertwee) was Russell's guardian when he was orphaned at a young age. For some reason Russell
has been compelled to return to the hospital, where he had been raised by O'Kane.  Meanwhile, Liz Shaw investigates a
series of mysterious deaths that have occured near the hospital and believes that there is a connection. It all seems to be
linked to Patient Zero (so named because he is in the room numbered 0 in the hospital's secure wing). Patient Zero is a
conduit for an ancient evil that wants to "come through" to our universe at perihelion, the point in the Earth's orbit when it
come closest to the sun. Patient Zero is in fact Dr O'Kane's brother, Daniel (and Russell's father), who murdered most of
his family over four decades ago. Russell discovers the reason why he has been drawn back to the hospital - he is also a
conduit for the evil force, which needs both himself and Daniel in order to come through to our universe. The evil is thwarted
and Patient Zero dies rather than let a possessed Russell kill Liz. In the final scene the alien seems to have made contact
with the patient in Room One (Peter Davison in an uncredited role). Sophie Aldred appears briefly as Dr Dove's assistant,
and Mark Gatiss features as Dr Bruffin.

The verdict:  'The Zero Imperative' has quite good production values and the script keeps the viewer interested until the end
(if only to try and figure out what exactly it is all about). There are a few nods to Doctor Who, with Liz referring to a military
organisation that she once worked for (and she has a photo of the Brigadier on the wall). But Liz Shaw never smoked a pipe
during her UNIT days! The main attraction of this film of course is the chance to see three past doctors appearing together.


Video clip:   Patient One         2.3mb

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