It's week four and the remaining five bakers travel to Bakewell in Derbyshire. They must reinvent an often-neglected British classic - the pudding. There are sticky toffee puds, peach and blueberry 'boy bait', rhubarb and orange betty and a cherry queen of puddings.

The surprise bake set by judges Paul Hollywood and Mary Berry tests the bakers' ability to cope with pressure. Can the bakers rise to the occasion? As the puds go in the oven, Mel and Sue roam the country finding out how and why puddings changed from meat to sweet, visiting the birthplace of school puddings and discovering how puddings helped change Britain's image overseas. Show less