Chris Evans and Louise Minchin chat to Lee Mack about the new series of his award-winning sitcom, Not Going Out. The team visit one of this year's Grand National's hot favourites dubbed the Greta Garbo of the horse world. Jay Rayner meets some widower men who have been inspired to cook in later life and Richard Mainwaring aims to get the nations back on their pianos by the improvised musical style of 'vamping'.