Five directors who tried to change cinema and failed spectacularly, including William Castle, Peter Jackson, Kerry Conran, Jack Cardiff, and Richard L Bare.
As Dragons' Den celebrates its 20th anniversary on our screens, let's take a look back at the success stories that slipped past the Dragons on the BBC show.
A Fond Farewell saw the cast and celebrity fans look back on the 18 years since the sitcom first aired - but it was the surprise footage that fans loved.