The Terminator is James Cameron’s first film, made a star of Arnold Schwarzenegger, is celebrating its 40th anniversary – there’s a 4K restoration out in cinemas – and I’ve never seen it. I’m not wholly ignorant of 1980s action films, it may surprise you to hear. I’ve seen Diehard. I know a single fella in a vest can see off an entire army. But Terminator passed me by and now I’m glad to have rectified that. It’s engrossing, suspenseful, has a personality all of its own and absolutely stands the test of time. That last scene with the crawling, whirring, clanking arm? Best scene ever.

Cameron, who would go on to make Aliens, Titanic and Avatar, was reportedly living out of his car when he sold the script to producer Gale Anne Hurd for $1. He made the sale on the condition that whoever financed it hired him to direct, as unproven as he was. (That said I now realise he had Piranha........

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