I'd really like to throw this one into the mix, described to me as Weird Science but with the Devil instead of a cute broad being summoned from a nerd's computer - Stars Clint Howard as a bullied geek who wreaks havok via a supercompuer, it was banned in the UK by Maggie Thatcher in her war on so-called Video Nasties, at the time Maggie was palling around with Jimmy Savile and screwing the miners.