Bradley Walsh hosts as four celebrities try to pit their brains against one of the country's finest quiz brains. One Chaser is all that stands between singer Paul Young, Olympic gold medallist Jade Jones, Strictly Come Dancing's Aljaz Skorjanec and comedian Arthur Smith and thousands of pounds for their chosen charities.

Tonight, TV presenter Melanie Sykes, sports presenter Andrew Castle, singer Heather Small and football pundit Graham Le Saux take on the challenge hoping to win thousands of pounds for their charities. Bradley Walsh hosts.