In the second of two specials, CBBC's Michael Underwood and Liam Dolan team up with chefs James Martin and Ross Burden.

A husband and wife join James Martin and Nick Nairn on the culinary challenge.

A pair of sibling rivals team up with chefs James Martin and Ross Burden.

Two teachers challenge chefs James Martin and Nick Nairn to get creative.

Chefs Paul Rankin and James Martin do culinary battle.

Ainsley Harriott presides over chefs James Martin and Antony Worrall Thompson.

With chefs Brian Turner and James Martin.

Chefs James Martin and Nick Nairn join in the fun.

Paul Rankin and James Martin cook up a treat.

Fearne Cotton and Simon Grant team up with James Martin and Lesley Waters for the cookery challenge.

Chefs James Martin and Nick Nairn make delectable meals for actresses Sue Jameson and Anne Reid.

Bobby Davro and Alex Lovell are paired with Paul Rankin and James Martin.

Chefs Kevin Woodford and James Martin work wonders with a fiver's-worth of food.

James Martin and James Tanner join in the foody fun.

James Martin and Ross Burden take chefing duties.

Chefs Brian Turner and James Martin do battle.

James Martin and Gino D'Acampo cook against the clock.

James Martin and Tony Tobin do culinary battle.

Chefs James Martin and James Tanner compete.

Chefs James Martin and Nick Nairn compete.

With chefs Phil Vickery and James Martin.

With chefs Tony Tobin and James Martin.

Chefs James Martin and Kevin Woodford do battle.

Phil Vickery and James Martin don their aprons.

Chefs James Martin and Nick Nairn compete.

Magicians Chris Nicholson and Tariq Knight team up with Tony Tobin and James Martin for the culinary challenge.

James Martin and Ross Burden battle for glory.

Paul Rankin and James Martin don their aprons.

With chefs Phil Vickery and James Martin.

CBBC's Fearne Cotton and Simon Grant join James Martin and Lesley Waters.

Jodie Marsh and Lady Isabella Hervey sizzle with Brian Turner and James Martin.

James Martin and Kevin Woodford strive for gastronomic glory. Ainsley Harriott hosts.

The kitchen clock's ticking for Tony Tobin and James Martin.

Paul Rankin and James Martin cook against the clock.

With James Martin and Antony Worrall Thompson.

Brian Turner and James Martin do culinary battle.

How Clean Is Your House? duo Kim Woodburn and Aggie MacKenzie cook with James Martin and Phil Vickery.

James Martin and Antony Worrall Thompson don aprons.

Brian Turner and James Martin race against the clock.

To Buy or Not to Buy's Dominic Littlewood and Kristian Digby treat their tastebuds to dishes by James Martin and James Tanner.

Brian Turner and James Martin do battle in the culinary contest with Ainsley Harriott.

James Martin and Nick Nairn are on their marks.

James Martin and James Tanner do culinary battle.

Olympic medallists Helen Reeves and Georgina Harland join James Martin and Nick Nairn.

A farmer takes on a fisherman as chefs Paul Rankin and James Martin rustle up dishes.

Will consumer champions Matt Allwright and Julia Bradbury get good value from James Tanner and James Martin?

James Martin and Antony Worrall Thompson don aprons.

Paul Rankin and James Martin work their magic.

Chefs James Martin and Lesley Waters stir it up.

Brian Turner and James Martin chase a carrot chopping world record in aid of BBC Children in Need.

With chefs James Martin and Lesley Waters.

James Martin and Ross Burden stir things up.

Weather reporter Carol Kirkwood and bookie Rupert Adams team up with chefs James Martin and Gino D'Acampo.

Sue Barker and Matt Dawson set a high bar for chefs Paul Rankin and James Martin.

Beyond Boundaries participants, Paralympian Ade Adepitan and blind adventurer Amar Latif , join James Tanner and James Martin in the kitchen.

Tony Tobin and James Martin cook-off against the clock.

The Hairy Bikers rock up today to challenge chefs Brian Turner and James Martin.

James Martin and Lesley Waters cook up working lunches for financial journalists Adam Shaw and Adrian Chiles.

It's spatulas at 20 paces for James Martin and Antony Worrall Thompson.

Will the knives come out when chefs James Martin and Gino

D'Acampo clash?

Can chefs James Martin and Gino D'Acampo stand the heat in the kitchen?

James Martin and Phil Vickery are the chefs whipping up dishes from limited supplies.

Chefs Paul Rankin and James Martin mix it up.

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

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

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

James Martin and Nick Nairn flex their culinary muscles.

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

James Martin and Tony Tobin try to outdo one another.

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.

Chefs James Martin and Tony Tobin are in the kitchen.

Brian Turner and James Martin compete in a pudding-themed episode, creating desserts against the clock.

Chefs James Martin and Tony Tobin race to create a meal in just 20 minutes.

Nick Nairn and James Martin prepare meals against the clock. Ainsley Harriott presents.

Chefs Lesley Waters and James Martin compete.

Chefs James Martin and Phil Vickery create festive meals in just 20 minutes and Christmas bell ringers perform.

With chefs James Martin and Lesley Waters.

Chefs James Martin and Phil Vickery cross spatulas.