Chris Serle discovers some golden moments from the BBC's film and videotape library. This week he looks at the time when most television is transmitted - night. Find out what goes on when Kieran Prendiville goes out at night for Tomorrow's World. See how to see in the dark: badgers from Badger Watch, foxes from 20th Century Fox and even an owl who nearly didn't get away. Relive Saturday Night Live and see a train crash and the 1964 election complete with swingometer. Guest Patrick Moore looks at some of the greatest events in space history and even plays the piano on The Sky at Night. Director MIKE SEDDON Series producer ALBERT BARBER