Lorraine Chase and Lionel Blair help chefs create a meal in just 20 minutes. Presented by Ainsley Harriott.

Gethin Jones and England rugby player Dan Scarborough help chefs create a meal in just twenty minutes. Presented by Ainsley Harriott.

Sheridan Smith and Two Pints actor Will Mellor help chefs make a meal in just twenty minutes. Presented by Ainsley Harriott.

Big Mo and Charlie from Eastenders (Laila Morse and Derek Martin) help chefs create a meal in just twenty minutes. Valentine's day special presented by Ainsley Harriott.

Cookery challenge series. Sam and Amanda Marchant, the Big Brother twins, help two chefs create two meals in just twenty minutes. Presented by Ainsley Harriott.

TV presenters Tim Vincent and Diane Louise Jordan help chefs create a meal in 20 minutes. Presented by Ainsley Harriott.

Ben James-Ellis and Leanne Jones, stars of the West End's Hairspray, help chefs make a meal in just 20 minutes. With Ainsley Harriott.

Rav Wilding from Crimewatch and Lisa Maxwell from the Bill help chefs invent a meal in just twenty minutes. Presented by Ainsley Harriott.

Dick and James Strawbridge, the father and son from It's Not Easy Being Green, help chefs create a meal in just twenty minutes. Presented by Ainsley Harriott.

Fancy footwork in the kitchen from ballroom dancer Anton du Beke and his Strictly Come Dancing partner Kate Garraway as Ainsley Harriott hosts the twenty-minute cooking challenge.

Television presenter Gaby Roslin and actress Ruthie Henshall are guests in the kitchen as Ainsley Harriott hosts the 20-minute cooking challenge.

Hidden gems in the kitchen as Cash in the Attic host Angus Purden and Bargain Hunt's David Harper join Ainsley Harriott in the kitchen for the 20-minute cooking challenge.

Local produce is on the menu as Ainsley Harriott hosts the 20-minute cooking challenge with TV presenters Alice Roberts and Mark Horton.

Holby City stars Sharon D Clarke and Luke Roberts join Ainsley Harriott for the 20-minute cooking challenge.

Pop stars Andy Scott-Lee and Michelle Heaton aim for the high notes in the kitchen as they join Ainsley Harriott for the 20-minute cooking challenge.

Radio presenters Ken Bruce and Lynn Bowles help chefs create a meal in just 20 minutes. Presented by Ainsley Harriott.

Adventurers Tracy Edwards and Annabelle Bond help chefs create a meal in just 20 minutes. Presented by Ainsley Harriott.

Tony Hirst and Zoe Lister from Hollyoaks help chefs create a meal in just 20 minutes. Presented by Ainsley Harriott.

TV and radio medical pundits Dr Mark Porter and Dr Mark Hamilton help chefs create a meal in just 20 minutes. Presented by Ainsley Harriott.

Rugby players Peter Richards and Sean Lamont help chefs Tony Tobin and Gino D'Acampo make a meal in just twenty minutes. Presented by Ainsley Harriott.

Former hurdles champion Sally Gunnell and decathlete Dean Macey help chefs Brian Turner and Gino D'Acampo make a meal in just 20 minutes. With Ainsley Harriott.

DJs JK and Joel help chefs Nick Nairn and Paul Rankin make a meal in just 20 minutes. With Ainsley Harriott.

Stylist Nicky Hambleton-Jones and hairdresser Andrew Barton help chefs Tony Tobin and Lesley Waters make a meal in just 20 minutes. With Ainsley Harriott.

Pete Waterman and DJ Neil Fox help chefs James Tanner and Gino D'Acampo make a meal in just 20 minutes. With Ainsley Harriott.

Sport Relief special. Nick Hancock and Allan Lamb help chefs Lesley Waters and Richard Phillips make a meal in just twenty minutes. With Ainsley Harriott.