Vernon Kay and Gabby Logan present heat three, as celebrities including TV presenter Linda Barker, funnyman Dom Joly, actress Tina Malone, and Olympic boxer Anthony Ogogo learn how to dive with Olympic medallist Tom Daley. Expect high drama, as the hopefuls need good scores from Tom and the other judges - Andy Banks, Jo Brand and Leon Taylor - as well as the viewers at home. Which of the celebrities will secure the last two places in the semi-finals?