Young clarinettist Julian Bliss and entrepreneur Martin Holstead lock horns. Ainsley Hariott presides.

Grange Hill stars Holly Quin-Ankrah and Jack McMullen join James Martin and Paul Rankin.

Farmers Charlotte and Ben Hollins cook with chefs Brian Turner and Lesley Waters.

Ballet dancers Oliver Taylor and Claire Jobanputra partner Gino D'Acampo and Tony Tobin.

Young footballers Mark Staunton and Lizzie Edwards sign up Brian Turner and James Martin.

Paul Rankin and Lesley Waters are under starter's orders. Ainsley Hariott presides.

Gino D'Acampo and James Tanner work their magic.

Ainsley Harriott referees as chefs Lesley Waters and James Martin show off their skills.

Chefs James Tanner and Tony Tobin are given some uncanny inspiration

Ainsley Harriott hosts as Paul Rankin and Nick Nairn go head to head in the kitchen.

Ainsley Harriott tests the culinary skills of sports commentator Graeme Le Saux and TV presenter Sarah Cawood, aided by chefs Gino D'Acampo and Ross Burden.

James Martin and Nick Nairn flex their culinary muscles.

Ainsley Harriott referees as chefs Lesley Waters and James Martin show off their skills.

Chefs Tony Tobin and Paul Rankin cook-off in the kitchen.

Big Brother's Glyn and Jennie are aided by Lesley Waters and Gino D'Acampo.

Atlantic rowers Rachel Smith and Lin Griesel cook off.

Lucy Benjamin and rugby player Matt Stevens join Paul Rankin and James Tanner.

James Martin and Tony Tobin try to outdo one another.

Chefs Brian Turner and Lesley Waters race against the kitchen clock, and each other.

Rani and Abs from CBBC's Best of Friends cause havoc for Nick Nairn and James Martin.

Nick Nairn and James Martin impress the audience as they work culinary magic.

Trawlermen James West and Jimmy Buchanan compete.

Tony Tobin and Gino D'Acampo try the culinary test.

Chefs James Martin and Tony Tobin are in the kitchen.

Gino D'Acampo and Nick Nairn stir up trouble in the kitchen.