“Never spoof horror,” those in the filmic know (and Steve Coogan’s accountant) always say, “it’s beyond parody already.” Interesting, then, that three horror spoofs make it into our list (four if you count Dawn of the Dead), while as many again are at least on nodding terms with the concept of their own ridiculousness. But as for being actually scary, only this one really manages to combine the knowing wink and the cold sweat in equal measure. And how! It’s a veritable compendium of horror stocks-in-trade – the isolated moor, the intimidating locals, attacks in the dark, disturbing dreams, “body horror”, dismemberment, decay, and of course *that* “don’t open the curtains, Jenny!” shock moment. It’s also a comic grab bag – from Glover and Mayall’s eye-popping yokels, via judicious use of aptly-named golden oldies on the soundtrack, “innocent abroad” misunderstandings, in-jokes for film buffs (natch), and the ever-popular balloon-abetted public nudity. The fact that John Landis pulls off the switch between all these strands of knowing humour and hair-on-end terror without missing a beat is, we reckon, the secret of this film’s high ranking – nothing else we can name manages that queasy mix of opposing genres. A revelation when first seen round your Betamax-owning mate’s house back in the day, a unique film ever since.