Mel Two Film Gibson, you cerebropathic pseudadelph. How could you do this to me? I go to iPlayer looking for a little light entertainment or something wonderful or educational. What do I find? A film pretending to be Edge of Darkness, the series that blew my mind in 1985. Except, of course, I think it is the real thing and get all excited and almost click on it until I recognise the worst Woad Warrior. Let me introduce you to the concept of critical mass.