Cradle to Grave BBC2, 9pm
Continuing the 1970s-set sitcom based on the early life of radio DJ, journalist and writer Danny Baker. Things are looking up for the future broadcaster when he has a few lessons in biology - both at school and in the bedroom. Meanwhile, his parents Bet and Fred expand their horizons with such rich new experiences as wine, a night out at the Bermondsey small retailers'dinner dance and the piece de resistance - a caravan holiday in Dymchurch. Starring Peter Kay, Lucy Speed, Laurie Kynaston, Frankie Wilson, Alice Sykes, Jack O’Connor and Frankie Fox.