Sam and Charlie hope their gastropub setting will wow the diners, whilst Graeme and Amanda put their faith in a Mediterranean theme.

Will Tom and Liz triumph with their Mediterranean menu, or will Steve and Julia win out with their eclectic bistro-style cooking?

Former Redcoat Tim and his Champagne-loving wife Andrea hope by squeezing in 56 diners, their simple set menu will triumph over business-minded Peter and Rachel's elaborate 12-dish menu for 48 diners.

Peter and Duncan serve up zebra and crocodile in their African-themed restaurant complete with stuffed animals, whilst rivals Wayne and Tessa offer up a bohemian bistro - but Wayne's attempts to serve steaks cooked to order don't fair well against tricky customers.

Sisters Kajal and Amisha opt for a glamorous Bollywood theme complete with dancers, henna tattoos and bindis for the guests, whilst husband and wife Stefan and Bonny think they can win out with their Chinese medicine-inspired menu.

Kim and John go for local organic produce serving posh nosh to fewer diners whilst their rivals Gary and Deborah opt for a packed home bistro using four microwaves and cash-and-carry food.

Sisters Elaine and Rosa are on a mission to educate people about the merits of eating healthily by serving an "alkaline diet" menu. Meanwhile their competitors, mother Androulla and daughter Natalie, stay true to their roots by going for an authentic Greek barbecue.