Chris Serle discovers some of those glorious golden moments from the largest film and videotape library in the world. This week, aided by a team of square-eyed researchers, he goes backwards, forwards, faster and slower in time. Leap back in time with Animal, Vegetable, Mineral?, forward to the year 2000 with Blue Peter , and guest Moira Stuart shows the importance of time on BBC News. You can ride in time aboard Doctor Who, The Flip Side of Dominick Hide and the London to Brighton; and also see 50 years of television in two-and-a-half minutes. Guest television historian Michael Wood explains what time means to him as he goes In Search of the Trojan War and The Domesday Project; while Time Flies By for Chigley. The best of the Beeb for all the family - Windmill - watch it! Director NEL ROMANO Videotape editor IAN HUGHES Series producer ALBERT BARBER