For 25 years, Lynch and Frost left their audience with a chilling image etched into its mind’s eye. The hero of the Twin Peaks saga, Special Agent Dale Cooper, was shown with his head bleeding, grinning eerily into a cracked mirror, where the face of demon BOB was leering right back at him. But this final, unforgettable image of the series wasn’t the first time we’d seen BOB’s presence revealed in this way. On several occasions Leland’s inhabiting spirit was shown staring back from a looking glass – in the hallway of the Palmer house or the rear-view mirror of his car. And in the terrifying train-car scene, at the climax of Fire Walk With Me, Lynch briefly showed BOB appearing to invade Laura’s reflection.   It’s a startling vision, and one that has already been revisited in The Return when Mr C looked into a small mirror on the wall of his prison cell. Watching his reflection morph subtly and strangely into BOB’s creepy visage was a brilliant, unsettling and memorable moment. Thi...