When corpses are found with internal organs missing, Liz Shaw and P.R.O.B.E. investigate a defunct government project from the 1970s that aimed to predict the course of human evolution. But was the creature it produced really destroyed, or has it resurfaced twenty years on?
Will Howells <email@example.com>
Did You Know?
Some scenes were refilmed for the 2012 DVD release. See more