E4 Extra

John Wilson, the president and chief operating officer of Rollins Incorporated - the parent company of eight pest control firms - goes incognito to work among his employees.

Randy DeWitt, the CEO of sports bar and grill chain Twin Peaks, goes incognito among his own staff, to find out if the company's culture is keeping up with its rapid growth.

Lisa, Chris and family move into a motorhome as Jonathan renovates their log-cabin interiors. Drew warns that their long wish list must be chopped down.

In Cambridgeshire, big kids Wizz and Luke host a children's party-themed night, Diana and Mark do fine dining, and Ed and Steve serve an enormous trifle. Mmmm, trifle.

In east Kent, there's a Welsh menu, hippy vibes and a battle of the curries, as outspoken Sean and Beth, Marcus and Miguel, and Geoff and Jill compete to host the best dinner party.

The One in a Boarding School: Is there anything more romantic than a boarding school? Not according to James, who's booked Dulwich College school hall as the venue for his wedding to Mercy.

Nathan is plotting a rural knees-up in a big old barn for his fiancée Nicky. But will his plans be derailed by his mother-in-law, who wants to plan the wedding herself.

Shane Evans, the co-founder and chief operating officer of Massage Heights, one of the biggest massage therapy chains in North America, goes undercover in her own company.

Bruce 'Two Dogs' Bozsum, chairman of the board of a Native American gaming and entertainment empire, goes undercover to ensure that the company's casinos are thriving.

At Amy's Baking Company in Scottsdale, Arizona, Gordon Ramsay meets a husband and wife team with a shocking contempt for customer feedback.

Gordon revisits the most contentious restaurant he's ever tried to rescue - Amy's Baking Company, in Scottsdale, Arizona.

Expectant parents Catherine and Nick are having no luck with their home. Can the twins turn their property into a place to scream and shout about.

In Newcastle, Sharna and Silvar serve up family favourites and a song and dance. Charlotte and Russ plan an Italian feast. And Shannon and Max take their rival diners on a culinary journey.

Will Steve Pemberton's no-vowels gamble pay off? What does Nick Mohammed think is going to happen to those eggs? And why is Joanne McNally sniffing Little Alex Horne's beard.

Jimmy Carr hosts as Sean Lock and Liza Tarbuck take on Sarah Millican and Romesh Ranganathan. Phill Jupitus joins Susie Dent in Dictionary Corner. With Rachel Riley.

Jimmy Carr hosts as Sean Lock and Miles Jupp take on Jon Richardson and Greg Davies. Holly Walsh joins Susie Dent in Dictionary Corner. With Rachel Riley.

Will is asked to co-ordinate the school's Duke of Edinburgh Award scheme and immediately turns the situation to his advantage.

Will is stressed about exams, Jay has other things on his mind, Simon finally seems to be making headway with Carli, and Neil forgets his kit for his PE exam.

Pash covers Justin's X-rated etching. Uzzi tackles Oli's tribute to a mate flopping in Malia. Alice creates a purr-fect design.

Will Steve Pemberton's no-vowels gamble pay off? What does Nick Mohammed think is going to happen to those eggs? And why is Joanne McNally sniffing Little Alex Horne's beard.

Jimmy Carr hosts as Sean Lock and Liza Tarbuck take on Sarah Millican and Romesh Ranganathan. Phill Jupitus joins Susie Dent in Dictionary Corner. With Rachel Riley.

Steven Newman, CEO of Loehmann's department stores, goes undercover on the front line of his company, to ensure the outlets are implementing his plans to reinvigorate the brand.

Jane Grote Abell, the chairwoman of Donatos Pizza and daughter of the company's founder, goes undercover to ensure that her father's values are still being implemented.

Since the school zone boundaries changed, Julie, Jason and their kids have to move. Can Jonathan's craftsmanship plus Drew's expertise equal a smooth house sale.

In Gloucestershire, a farmhouse feast competes with a Mexican menu and a Japanese theme, in a week featuring a bizarre breakdancing demo and proposal pressures.

In Leeds, giggly Gemma and Ryan serve up a menu that shows off their fun side. But will it meet Jonathan and Keith's high standards? And will Nigel and Yvonne ever stop singing.

Hywel wants to turn his wedding to Beca into a music festival. And just like Glastonbury, the big day starts out with torrential rain. Will it be a washout.

The One with All the Greatest Moments: Patsy Palmer runs us through some of her favourite moments from DTTB. There's drama galore, stacks of romance, and a fair few tears..

Joe DiDomizio, the president and CEO of a travel retailer that operates news stands, bookshops and cafés in transport terminals, goes incognito among his own employees.

Greg Miller, CEO of the Larry H. Miller Group, and co-owner of National Basketball Association team the Utah Jazz, dons a disguise to go undercover among his staff.

In Colorado, Gordon visits Italian restaurant Pantaleone's, whose stubborn owner Pete claims that he makes 'the best pizza in Denver'. Sadly, Gordon doesn't agree.

Gordon visits Arvada in Colorado, where out-of-control hoarder Randy and his wife Alexa have allowed their restaurant Old Neighborhood to fall into disrepair.

After beating cancer, Jennifer is determined to live life to the full. Can the bros help find her a home with easy access to the great outdoors.

In the north east of England, there's Geordie grub, Greek plate smashing and a Shirley Bassey serenade, as Lynne and Ian, Jess and Connor, and Tom and Sam compete across a high-energy week.

The contestants are forced to wrangle wild animals, with unpleasant results for Steve Pemberton and Sophie Willan. Plus: pickled onions, and a controversial cardboard tube.

Jimmy Carr hosts as Sean Lock and Vic Reeves take on Lee Mack and Sara Pascoe. Alex Horne and The Horne Section join Susie Dent in Dictionary Corner. With Rachel Riley.

Jimmy Carr hosts as Sean Lock and Bob Mortimer take on Sarah Millican and Katherine Ryan. Alex Horne and The Horne Section join Susie in Dictionary Corner. With Rachel Riley.

It's the start of term and Carli is organising a charity fashion show. It's only for the cool kids, so our heroes aren't involved - until a last-minute hitch.

To impress a girl in the year below, Simon attends his first concert since he saw Take That with his mum. But Will, Jay and Neil tag along too.

Pash tackles Rebecca's pain in the neck. Sketch destroys Layton's dodgy design. Alice takes pity on Teresa and her kitty. Uzzi covers Sean's crustacean situation.

The contestants are forced to wrangle wild animals, with unpleasant results for Steve Pemberton and Sophie Willan. Plus: pickled onions, and a controversial cardboard tube.

Jimmy Carr hosts as Sean Lock and Vic Reeves take on Lee Mack and Sara Pascoe. Alex Horne and The Horne Section join Susie Dent in Dictionary Corner. With Rachel Riley.

Anthony Wedo, the president and CEO of buffet restaurant organisation Buffets, Inc., goes undercover among his workforce. Can he turn the firm around after years of challenges.

Amit Kleinberger, CEO of frozen yogurt chain Menchie's, goes undercover to work out what changes must be made at grassroots level to make the company a billion-dollar business.

After a fire seven years ago, Novella and truck driver Terry haven't re-decorated their living room. So Jonathan tries to ignite some life into the place.

In Kent, there's wild garlic from the local churchyard, a risky bonus ingredient, an uncanny resemblance, and a good old sing-song, as three couples put their hosting skills to the test.

In south Wales, there are tattoo revelations, a musical-themed feast and nana's egg sauce, as Red and Bozey, 'Princess' Trish and Alan, and Marc and Dan compete.

The One with All the Payback: We take a trip down memory lane and review some of DTTB's messiest weddings ever, giving the brides the chance to have their say. Are our couples still happy.

The One with the Skydiving Bride: John's got unique ideas for his wedding to Jackie, which includes a skydive on the big day. Oh, and did we mention Jackie's terrified of heights.

Undercover bosses Amit Kleinberger, Randy DeWitt and Steve Greenbaum take another look inside their firms, but this time they each send an employee undercover in their place.

Jeff Platt, the president and CEO of a chain of indoor trampoline parks, goes undercover in his own company, to find out whether his fast-growing business is running smoothly.

Gordon's in New York, where the stress of running a Greek restaurant has driven Manny and Christine to the brink of divorce, with their daughter stuck in the middle.

Gordon visits an Italian restaurant with an identity crisis in Colorado, for the first half of a two-part Nightmare. The owner is at breaking point.

James and Ada need a big home with room for the grandparents. As the bros get started, Will the kids' designs help find the perfect place.

In Belfast, Sarah and Paddy do fine dining. Emma and Samson serve up Mozambican treats. And Louise and Danny's night features some model behaviour and a meringue mountain.

Steve Pemberton experiments with G-force, Sophie Willan splatters a human pigeon and Joanne McNally rocks a traffic cone. In other news, Nick Mohammed gets trapped under a bed.

Jimmy Carr hosts as Sean Lock and Roisin Conaty take on Sarah Millican and Rhod Gilbert. David O'Doherty joins Susie Dent in Dictionary Corner. With Rachel Riley.

Simon and Tara double date with Will and Tara's friend Kerry. But there's a problem: Will thinks Kerry's very boring.

Simon and his new girlfriend Tara are going on a trip to visit her sister at university. Of course, Jay, Will and Neil decide to invite themselves along..

Jimmy Carr hosts as Sean Lock and Seann Walsh take on guest captain Joe Wilkinson and Danny Dyer. Bill Bailey joins Susie Dent in Dictionary Corner. With Rachel Riley.

Alice kicks Bailee's terrible tattoo into touch. Uzzi stops traffic with a cover for naughty Nanny Dawn.

Steve Pemberton experiments with G-force, Sophie Willan splatters a human pigeon and Joanne McNally rocks a traffic cone. In other news, Nick Mohammed gets trapped under a bed.

Jimmy Carr hosts as Sean Lock and Roisin Conaty take on Sarah Millican and Rhod Gilbert. David O'Doherty joins Susie Dent in Dictionary Corner. With Rachel Riley.

Paul Quentel, the president of Alfred Angelo, the second-largest bridal retailer in the USA, poses as a reality TV contestant to go undercover in his own company.

Mike Bloom, the president and COO of discount chain Family Dollar, goes incognito to find out where the firm is excelling and where it needs improvement.

The twins hope to hit the right note by finding musicians Lee Roy and Lisa's next property. Can they orchestrate a reno that will see the home become a number one hit.

Rugby fan Andy and dental nurse Holly bring a Mexican fiesta to Yorkshire. Mitesh and Jess serve an Indian meal to spice-averse guests. And Paul and Mandy dish out a few surprises.

In Stoke, Robbie Williams superfan Trish and her husband Dave, quirky Patrick and Lizzie, and seasoned hosts John and Lynne compete in a week featuring wartime food and a good old knees-up.

Stacie makes all the decisions in her relationship with Josh. But Josh will be calling the shots when it comes to their wedding. How will his hybrid theme go down.

The One with the Paintballing Hen Do: Cameron wants to give fiancée Sarah her dream wedding. But sending Sarah on a paintballing hen do isn't the best start..

John Hartmann, a former FBI agent and the president and CEO of Chicago-based hardware co-operative True Value, goes incognito among his workforce.

Bill Peduto, the 60th mayor of Pittsburgh, goes incognito among his workforce, to hear from the city's employees and ensure that the changes he's introduced have been effective.

Gordon returns to Colorado to conclude his attempt to help an Italian restaurant. Can he work his magic on a menu that relies on a microwave.

Gordon makes the first of two visits to Zayna Flaming Grill, a Mediterranean restaurant in Redondo Beach owned by Faye and her niece Brenda.

Done with her decade-long DIY debacle, Catherine wants to put down new roots for her family. So the twins renovate her home from the inside out.

In County Antrim, there's a Mexican fiesta, risky desserts and a vegetarian who doesn't like vegetables, as Rebecca and Gareth, Nel and Billy, and Mandy and Jim compete.

As the bonce-battle intensifies, Steve Pemberton delivers a timely message of peace. Meanwhile, Joanne McNally invents a catchphrase, and John Robins gets creative with beans.

Jimmy Carr hosts as Sean Lock and Johnny Vegas take on guest captain Sarah Millican and Rob Beckett. Vic Reeves joins Susie Dent in Dictionary Corner. With Rachel Riley.

Jimmy Carr hosts as Sean Lock and Freddie Flintoff take on guest captain Bill Bailey and Roisin Conaty. Rob Beckett joins Susie Dent in Dictionary Corner. With Rachel Riley.

When Will's mum goes on a weekend away with an 'old friend', the boys take advantage of having the house to themselves. It's all fun until the morning.

Will draws on his scouting experience to cope with the last trip he's organised for the boys before they go their separate ways. But the others are unprepared.

Sketch deals with Lee's World Cup wobble. Pash sorts Daniel's not-so-flattering memento. Uzzi covers Harry's catty catchphrase and smokes out Chelsea's slip-up.

As the bonce-battle intensifies, Steve Pemberton delivers a timely message of peace. Meanwhile, Joanne McNally invents a catchphrase, and John Robins gets creative with beans.

Jimmy Carr hosts as Sean Lock and Johnny Vegas take on guest captain Sarah Millican and Rob Beckett. Vic Reeves joins Susie Dent in Dictionary Corner. With Rachel Riley.

In Liverpool, three couples compete with globetrotting menus from Italy, Thailand and the USA.

In Northamptonshire, there are unthawed prawns, a crowd-pleasing panto and limelight theft, as luvvies Anna and Coylah, sporty Felicity and Lawrence, and well-to-do Martin and Dawn compete.

The One with All the Drag Queens: It's Don't Tell the Groom as Dan plans a wedding for Mark, who doesn't want anything too camp. But Dan's organised a cabaret reception full of drag queens.

Laura's dream country wedding is a world away from the beachside day Mitch has planned. And after going surfing on the morning of the wedding, will he make it back in time.

The One in a Boarding School: Is there anything more romantic than a boarding school? Not according to James, who's booked Dulwich College school hall as the venue for his wedding to Mercy.

Nathan is plotting a rural knees-up in a big old barn for his fiancée Nicky. But will his plans be derailed by his mother-in-law, who wants to plan the wedding herself.

Hywel wants to turn his wedding to Beca into a music festival. And just like Glastonbury, the big day starts out with torrential rain. Will it be a washout.

Shane Evans, the co-founder and chief operating officer of Massage Heights, one of the biggest massage therapy chains in North America, goes undercover in her own company.

Bruce 'Two Dogs' Bozsum, chairman of the board of a Native American gaming and entertainment empire, goes undercover to ensure that the company's casinos are thriving.

Gordon makes the first of two visits to Zayna Flaming Grill, a Mediterranean restaurant in Redondo Beach owned by Faye and her niece Brenda.

Gordon returns to California for the conclusion of his challenge to save Zayna Flaming Grill. Can he inject flavour into the tired menu.

Gordon visits Italian family restaurant Bella Luna, which is struggling with an inexperienced chef and an owner who won't acknowledge the eatery's flaws.

Gordon Ramsay revisits three restaurants he's helped: La Galleria 33 in Boston; The Olde Hitching Post in Massachusetts; and the Prohibition Grille in Washington.

Despite being over a million dollars in debt, the owner of the Roosevelt Inn in Coeur d'Alene, Idaho is busy cracking jokes and playing dress up. Can Gordon help.

Jimmy Carr hosts, as Sean Lock and Harry Hill take on Jon Richardson and Rosie Jones. Mr Swallow, aka Nick Mohammed, joins Susie Dent in Dictionary Corner. With Rachel Riley.

Jimmy Carr hosts, as Sarah Millican and Nish Kumar take on Jon Richardson and Maisie Adam. David O'Doherty joins Susie Dent in Dictionary Corner. With Rachel Riley.

Grab your tinfoil hat and watch as Russell Howard and his mum, Ninette, learn all about the mysterious little green men and their flying saucers in Nevada.

Have you ever wondered how you'd fare in a catastrophic event? Russell and Ninette dive head first into survival training in Utah by meeting apocalypse preppers.