New series of the irreverent cookery show, beginning with a glimpse behind the scenes of Richard Corrigan's London restaurant and an investigation into the merits of pre-packaged supermarket chicken with Merrilees Parker. Richard Johnson traces coffee back to its roots in Ethiopia, while Heston Blumenthal dispels a myth surrounding the cooking of meat, and actress Fay Ripley rustles up her dinner party favourite - chocolate meringues.