This is a sort of 'emergency review' I'll never wedge into ST. So here goes... 'Thoroughly Evil'. It's not often you come across that phrase on the blurb of a DVD box set. It's a quote from the late Mary Whitehouse, who for many years was the self-appointed voice of decent God-fearing folk, and every bit as humourless and narrow-minded as the phrase suggests. Mrs Whitehouse didn't like The Omega Factor because one episode featured spiritualism, hypnotic regression and the like. But does the disapproval of the (now defunct) Mrs Whitehouse mean it was any good? TOF was produced by BBC Scotland, broadcast in 1979, then disappeared without trace. It was never repeated and never released on VHS, nor did it crop up on cable or satellite. This explains why many fans of sci-fi, horror and general spookery missed it when it first aired. Seen for the first time, The Omega Factor is not half bad, albeit very much of its time. The series opener, 'The Undiscover...