|Edition: || US (Part 1 VHS)|
|When: ||March 1996|
|Publisher: ||S & J Video|
|Format: ||1 x VHS|
|(Not currently available)|
Note: Like the UK release, this was split into 2 parts, each sold separately. The front cover of both parts mis-spell Louise Jameson's surname as "Jamison".
When the Preternatural Research Bureau is threatened with closure, Liz Shaw finds herself in direct conflict with her superiors, including her old friend and ally Patricia Haggard. Liz hopes that her investigation into strange events at a public school will demonstrate the vital need for the Bureau. But she soon finds the fate of P.R.O.B.E inextricably linked with the lives of three young men, each of whom has something to hide...
This supernatural thriller stars Louise Jameson, and Caroline John reprising their roles from "The Zero Imperative". Also starring Peter Davison, Terry Molloy and Geoffrey Beevers.