It's a bit rough around the edges now, and the costumes haven't exactly aged gracefully, but Tron will forever be remembered as a groundbreaking leap for CGI-augmented movies.
Jeff Bridges is Flynn, a software engineer who ends up being sucked into the mainframe of evil corporation ENCOM. He has to take on the Master Control Program via a series of challenges in the neon environment.
John Lasseter has referred to Tron as a huge influence which allowed many young animators to see the potential of computer animation. The long-awaited sequel, TRON: Legacy hits cinemas this weekend, and you can check out Total Film's review right here.