E4 Extra

Jose Costa is the president of top automotive care franchise Maaco, based in North Carolina. He dons a disguise to meet the staff who keep his firm on the road to success.

Gina Rivera is the president of Phenix Salon Suites, which rents boutiques to hairdressers. She goes incognito among her franchisees to see how the company could be improved.

Nicole and firefighter Matt's compact 1950s place needs a serious refurb. The brothers start at full steam ahead as they try to heat up the property's appearance.

In Essex, Jade and Stuart plan a fun menu, but there's a long wait between courses. Mark and Diane offer a taste of the Med and a sing-song. And Chris and Rosella serve up a family recipe.

In Lincolnshire, Lara and Greg serve a travel-inspired menu, Andrew and Liz attempt a dress rehearsal for their wedding breakfast, and Jenna and Mitch prove that looks can be deceiving..

The One Where the Bride's Mum 'Helps': James wants to give his fiancée, Daisy, her dream wedding. But in a unique twist, he'll have to plan it with the help of his combative mother-in-law.

In this yuletide revisit the brides look back on their special day and get even with the grooms for the 'dream weddings' they organised by giving them nightmare Christmas gifts.

Nader Masadeh, the president and CEO of Buffalo Wings & Rings, goes undercover in his own company to ensure that his standards are being kept across the brand.

Shawnon Bellah, chief operating officer of Nestlé Toll House Café by Chip, works undercover among her staff, learning about cookie decoration and the drive-thru experience.

Gordon visits the struggling Monticello Hotel in Longview, Washington. Can he keep the doors to this 90-year-old establishment open and save 50 staff jobs.

In Oregon, Gordon Ramsay tries to rescue the Applegate River Lodge, which is around $1 million in debt. Can he help the owners turn their fortunes around.

It's a foggy five AM and Jarrod and Brandi are in no mood for bidding. Too bad they'll miss out on a calculator set and, you guessed it, a robot arm.

Things heat up as the buyers try to land sand-sational deals in Palm Desert. And Darrell comes out of retirement, ready to do what he does best: annoy Rene.

In East Anglia, there's collapsing food and cheeky shortcuts, as competitive Kim and Martin, landscape gardeners Debbie and Richard, and gadget gurus Jamie and Mark compete.

Jack Dee has a dramatic wardrobe change, Rosie Jones presents her new baby, and Emma Sidi's got Tamzin Outhwaite on the brain. Plus: multi-headed beasts, and a very dull ghost.

Jimmy Carr hosts as Sean Lock and Miles Jupp take on Jon Richardson and Sara Pascoe. Sam Simmons joins Susie Dent in Dictionary Corner. With Rachel Riley.

Jonny wants to split up with his 43-year-old girlfriend and boss, Liz, but is too scared. Grandma offers him advice, while Adam is happy to tease him about it.

The boys come home to find the house in a state: the builders have been in and there's mess everywhere. Plus there's a mouse in the house and Mum's hiding in the shed.

Jeremy and Nancy (Rachel Blanchard) are getting married, for visa reasons. Mark, determined to save his friend, will do whatever it takes.

Some muggers steal Mark's BlackBerry, which puts him off his stroke with Sophie. Meanwhile, Jeremy faces a tricky dilemma over the love of his life and a threesome.

Jay, Sketch and Alice fix awful inkings for more holidaymakers, including doting dad Adam's bawdy butterfly, Holly's filthy foot, and Josh's romance-ruining wrist.

Jack Dee has a dramatic wardrobe change, Rosie Jones presents her new baby, and Emma Sidi's got Tamzin Outhwaite on the brain. Plus: multi-headed beasts, and a very dull ghost.

Jimmy Carr hosts as Sean Lock and Miles Jupp take on Jon Richardson and Sara Pascoe. Sam Simmons joins Susie Dent in Dictionary Corner. With Rachel Riley.

David Seelinger, the chairman and CEO of New Jersey-based EmpireCLS, which provides chauffeured luxury transportation, works among his staff posing as a reality show contestant.

Robert Powells, the president of Rocket Fizz Soda Pop and Candy Shops, the largest fizzy drink and sweet shop franchise in America, goes incognito among his staff.

It's up to Jonathan to fix what Dana and Andy started after they ripped apart their home. Drew keeps his cool while looking for a home with space for a hockey rink.

In the north east of England, Kevin and Lalita's hearty portions prove a tall order, Michelle and Charlotte plan an Asian theme, and Richard and Christine serve up dinner party classics.

In Sheffield, there are first-time hosts, kitchen mishaps and dodgy Mr Bean impressions, as three couples compete to pull off the best dinner party.

The One with All the Proposals: In this special episode, a bunch of daring grooms propose to their partners in the most outlandish, romantic and downright crazy ways imaginable.

The One with the Hen-Pecked Groom: Ben's fiancée Sarah 'wears the trousers with three belts', and his mum's always telling him what to do. But for his wedding, he's taking control.

Sam Dushey, the CEO of Shoppers World, goes incognito among his own workforce, seeking reassurance that his stores are performing to his high standards as the business grows.

Tim Betts, the CEO of Muscle Maker Grill, goes undercover in the restaurant chain that he recently bought. Is every branch following the same high standards.

Gordon visits Mississippi to rescue the failing Hotel Chester. The owner has 40 years' experience in the hotel industry but is struggling to make things work.

Gordon Ramsay visits West Dover in Vermont, where a dog-friendly hotel is run like a hostel - with unpaid staff, instead of paying guests, staying in the rooms.

There's tan lines, trash-talk and plenty of tat in sunny San Diego. The buyers kiss goodbye to the picturesque beaches as they go underground for a basement auction.

In Rancho Palos Verdes, the buyers may be in the money, as they take on the storages of wealthy retirees. And will Rene's strategy - involving Dave - pay off.

In Aberdeen, Leanne and Calvin's Ibizan feast competes with Gail and Iain's posh nosh, and Becca and Grant's vegetarian fare, in a week featuring spooky stories and a near-marital-meltdown.

Babátúndé Aléshé almost certainly knows what a rocket is, and Jack Dee's a dead ringer for a famous artist. Greg Davies awards points (some), praise (little) and pity (plenty).

Jimmy Carr hosts as Sean Lock and Isy Suttie take on Jon Richardson and Richard Osman. Alex Horne and The Horne Section join Susie Dent in Dictionary Corner. With Rachel Riley.

Mum has made a fantastic dinner. The boys are delighted that Grandma is joining them but horrified that 'Horrible Grandma' is also coming. And Jim turns up as Father Christmas.

Adam finally brings a girlfriend home for dinner, but things get tricky when the family suddenly have to look after eight-year-old Katie, who has a crush on Adam.

Jeremy is forced to consider getting an old friend sectioned. And he soon realises sectioning could be a good way of getting rid of other problem people..

Jeremy plans to throw a secret magic mushroom party in the flat, where he hopes to seduce his ex, Big Suze.