Part one of 'The Car's The Star' which was the Top Gear spin off TV show (written & presented by Quentin Willson) that featured the great British Mini in this particular episode which was first shown on BBC2 in 1997.
@nipperoid 621 AOK was the first off the production line. It's on display at the Heritage Museum in Gaydon. Of course there were prototypes before that but not official production line vehicles.