E4 Extra

Mitchell Modell, CEO of Modell's Sporting Goods, America's oldest family-owned company selling athletics apparel and equipment, goes incognito in his own firm.

Kat Cole, the president of Cinnabon Incorporated, which serves sweet treats from over 900 bakeries in 40 countries, goes incognito among her own workforce.

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.

Rob and Rich, and Simon and Lauren, take on former World's Strongest Man, Eddie The Beast Hall, and his wife Alex, as they compete to host the best dinner party in Stoke-on-Trent.

The One in an Old Mine: It's high noon for impulsive groom Steve as he plans a cliff-hanger of a Wild West wedding for Leona. Will Steve's nuptials on a bridge prove a swinging success.

The One with the Wight Wedding: Groom Liam wants a wedding day that celebrates his homeland, the Isle of Wight. Bride Kandi wants a more standard day. Will it be all-white or go all wrong.

Kenny's seeing things. Though that might be because it's the hottest day ever in Riverside. Shana and Edwina stumble across their own personal paradise.

The Vegas ladies meet Dave. And it turns out Dave could really do with a lesson on how to make a first impression. Kenny uses Mary as a Dave shield.

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.

Alfonso Ribeiro hosts as home video clips capture funny, surprising and memorable moments. A scuba diver gets pranked with a rubber snake. Plus: a cat who hates lullabies.

Darrell baits Justin into buying seven stained mattresses. Which even the most rookie storage buyer could tell you isn't a great investment.

The buyers tackle ten vaults all belonging to the same owner. Dave sees potential and goes big on a bunch of them, while Ivy looks to draw some success.

The deck team have a cunning plan to improve relations with the guests following the jet ski incident. A newbie stirs things up on the crew night out.

Gordon Ramsay travels to Orange County, Southern California, to try to save Italian restaurant Luigi's from disaster.

In Atlanta, Gordon helps first-time restaurant owners Richard and Jorge, whose establishment is in trouble due to their constant fighting, poor food and bad vibes.

Jimmy Carr hosts as Jon Richardson and James Acaster take on Lee Mack and Sarah Millican, with John Cooper Clarke in Dictionary Corner.

Jimmy Carr hosts the panel/quiz show mash-up. Jon Richardson and Chris Addison go up against Joe Wilkinson and Katherine Ryan, with David O'Doherty in Dictionary Corner.

Five task-hungry comics demonstrate their love of watermelon and Johnny Vegas bags up a passing cyclist like a Christmas tree.

Jimmy Carr hosts the comedy panel show with team captains Rob Beckett and Aisling Bea, who are joined by Richard Osman, Ellie Taylor, Jessica Knappett and David O'Doherty.

Jimmy Carr hosts as Jon Richardson and James Acaster take on Lee Mack and Sarah Millican, with John Cooper Clarke in Dictionary Corner.

Five task-hungry comics demonstrate their love of watermelon and Johnny Vegas bags up a passing cyclist like a Christmas tree.

Stephen J Cloobeck, CEO of hotel firm Diamond Resorts International, is the first boss to go undercover in his business for a second time, as he visits Pacific Monarch Resorts.

Steve Greenbaum, co-founder and CEO of PostNet, which helps small businesses with everything from printing to design, goes undercover to see how well his firm is functioning.

In Berkshire, Emma and Sean host an OMG evening of acronyms, Sarb and Jasbir plan an authentic Indian night, and Mel and Tony serve up British classics - with a side order of squabbling..

In Surrey, rapping, monobrows and surprising revelations are on the menu, as three couples compete to host the best dinner party.

Laid-back Liam plans to wow his bride with a wintry white wedding. But 2000 miles away in Portugal, bride-to-be Georgia is dreaming of sun, sand and sangria.

The One with the Thai Stag Do: Cheeky chappie Ian travels to Thailand to get three suits made, picks up a wedding dress for his bride Jay, and has an unforgettable stag do.

Reeling from their Dave experience, the Vegas ladies try out a new bidding style in Placentia. Kenny and his brother show everyone that family comes second..

Rene goes big on a bunch of units in Rancho Palos Verdes. Mary's locker has a sticky past. Justin sets out to prove his investing chops.

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.

Alfonso Ribeiro hosts as home video clips capture funny, surprising and memorable moments, from wedding mishaps to an annoyed chicken and a dog who's afraid of bananas.

In Stanton, it turns out that making a profit is just like pulling teeth for Dave. Mary grinds her way to some profit. And Ivy's locker really sucks. And blows.

Shana and Edwina channel the Golden Girls in Riverside, but end up phoning it in. Dave scans a messy locker like a hawk. Rene's under strict orders to not buy anything..

Harry wants to re-ignite things with Bri. Wihan's fuming with Lara and her criticisms of his team. And some silver hotpants cause quite the scene.

Gordon Ramsay helps a family-run Greek restaurant turn its fortunes around in Ventura Harbor in California. But he uncovers a shocking family secret..

In Oakhurst, Gordon Ramsay helps the overwhelmed owner of Mike and Nellie's restaurant, who lost his way when his father and business partner died.

Jimmy Carr hosts as Jon Richardson and Joe Lycett take on Sean Lock and Michelle Wolf. Adam Riches joins Susie Dent in Dictionary Corner. With Rachel Riley.

Jimmy Carr hosts as Jon Richardson and Jonathan Ross take on Lee Mack and Victoria Coren Mitchell. Jessie Cave joins Susie Dent in Dictionary Corner. With Rachel Riley.

The comics are shaken and stirred by a very tricky task. Mawaan Rizwan learns a lesson about waterfowl. And Richard Herring wrings out a wet sock.

Jimmy Carr hosts the comedy panel show with team captains Rob Beckett and Aisling Bea, who are joined by Joel Dommett, James Acaster, Joe Swash and Roisin Conaty.

Jimmy Carr hosts as Jon Richardson and Joe Lycett take on Sean Lock and Michelle Wolf. Adam Riches joins Susie Dent in Dictionary Corner. With Rachel Riley.

Jimmy Carr hosts as Jon Richardson and Jonathan Ross take on Lee Mack and Victoria Coren Mitchell. Jessie Cave joins Susie Dent in Dictionary Corner. With Rachel Riley.

Lorne Abony, the CEO and chairman of in-store media provider Mood Media, one of the fastest-growing companies in America, adopts a disguise to go undercover in his own business.

Jim Rogers, the chairman and CEO of Kampgrounds of America, the largest campsite organisation in the world, goes undercover in his business, disguised as an accountant.

In Stockport, Ian and Loreta take inspiration from their Indian and Lithuanian roots. 'Gemily' offer a taste of Morocco. Tim and Luan serve their favourite dishes and some loo roll origami.

In Stockport, there's vanilla cured salmon, some unwanted 'guests' and a shocking tattoo, as Lee and Tash, Judy and Will, and Jess and Dale compete to host the best dinner party.

The One with the Cheap Dress: Scott spends less than £100 for a wedding dress and £1800 on life-size plastic animals.

Dave wants to whisk his water phobic bride-to-be Rosie off to a remote island wedding. But it's not just any island..

Emily is faced with an all-male day in Paramount. And for Kenny, speaking up at the auction only brings regret.

One Girl's Trinket Is Another Man's Treasure: It seems the buyers are on a roll: Ivy makes a hefty find in Adelanto, Brandi and Jarrod score big, and Mary cranks up her profit.

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.

Alfonso Ribeiro hosts as home video clips capture funny, surprising and memorable moments. A little girl says she wants to be a mum... so that she can boss everyone around.

Mary dabbles in Dave's dark arts and tries not to get stung. Kenny digs some excavation lessons. And Brandi and Jarrod stumble across a wartime oddity.

Tranquil Lake Arrowhead is about to get a rude awakening when the buyers descend for some storage carnage, where Justin almost hits the bullseye on his locker. Almost.

Wihan's getting it from all angles. Tzarina and Lara confront him over a messy beach excursion, and the crew are starting to question his leadership.

Gordon Ramsay visits struggling Greek restaurant El Greco, where the owners have secretly recruited 'Chef Mike' the microwave to help them out on a daily basis.

Can Gordon help the unwell owner of a family-run Atlanta smokehouse address his daughter's hands-off management style.

Jimmy Carr hosts as Sean Lock and Stephen Mangan take on guest captain Richard Ayoade and Katherine Ryan. Bill Bailey joins Susie Dent in Dictionary Corner. With Rachel Riley.

Jimmy Carr hosts as Jon Richardson and Cariad Lloyd take on Alan Carr and Kevin Bridges. Elis James and John Robins join Susie Dent in Dictionary Corner. With Rachel Riley.

Mawaan Rizwan masters remote control cars. Katherine Parkinson is baffled by a giant marble. Can Daisy May Cooper decipher Richard Herring's mysterious messages.

Jimmy Carr hosts as Rob Beckett, Sara Pascoe, Oti Mabuse, Rylan Clark-Neal, Russell Kane and Maisie Adam compete in the comedy panel show.

Jimmy Carr hosts as Sean Lock and Stephen Mangan take on guest captain Richard Ayoade and Katherine Ryan. Bill Bailey joins Susie Dent in Dictionary Corner. With Rachel Riley.

Mawaan Rizwan masters remote control cars. Katherine Parkinson is baffled by a giant marble. Can Daisy May Cooper decipher Richard Herring's mysterious messages.

Paul Damico, president of Moe's Southwest Grill, one of the world's fastest-growing restaurant chains, goes undercover to find out how efficient his organisation is.

Sara Bittorf, the chief brand officer of Boston Market - whose 470 restaurants serve home-style comfort food - goes undercover to work alongside the chain's employees.

In Bromley, Ryan and Julie's food fails to impress, with one guest comparing the main to vomit! Can Jo and Alex or Michelle and Craig do better with their fine dining and Caribbean menus.

In Dartford and Beckenham, Jamie and Carol take inspiration from their love of all things 'crazy'. Paul and Justin serve a global menu. And Richard and Julie appeal to a mature palate.

Harry Potter fan Sean needs all the help he can get planning a spooky witches and wizards-themed wedding in a forest for his bride-to-be Nicole.

The One with All the Tattoos: Self-confessed tattoo addict Adam wants an unconventional wedding at a London tattoo convention. Dani wants a day in the grounds of a castle.

Brandi and Jarrod get to work on a locker full of tools. Darrell and his granddaughter dig up something creepy. And Kenny's doing his own creeping down memory lane.

In West Covina, the buyers are losing their minds. Well, more than they've already lost them. Kenny gets religious. And Ivy shows the ladies how to dress for success.

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.

Alfonso Ribeiro hosts as home video clips capture funny, surprising and memorable moments, from Easter funnies to 'pathetic athletics' and people getting soaked.

Kenny tries to downsize his strategy. Ivy masterminds an unlikely win. And Brandi and Jarrod go big on a hunch.

In Koreatown, the Vegas Ladies discover that they've got Texas flair. Well, one of them does. Kenny's after some lady stuff. Mary gets the spring back in her step.

The latest charter guests are a gang of adrenaline junkies - and they're quick to test the crew's boundaries. A disgruntled stew gets sassy with Captain Jason.

Gordon Ramsay visits a floundering Mexican restaurant which has become an albatross around the necks of its owners, married couple Greg and Mary Russell.

Gordon tries to save the struggling Spin a Yarn restaurant in California. Despite an expensive refurbishment, the business is tearing apart its owners' marriage.

Jimmy Carr hosts as Kathy Burke and Roisin Conaty take on Johnny Vegas and Bob Mortimer. John Cooper Clarke joins Susie Dent in Dictionary Corner. With Rachel Riley.

Jimmy Carr hosts as Sean Lock and Vic Reeves take on Jon Richardson and Sara Pascoe. David O'Doherty joins Susie Dent in Dictionary Corner, while Rachel Riley does the numbers.

Alex Horne gets an acting role, as Richard Herring delivers a star turn from behind a bush. Mawaan Rizwan nicks a cup of tea. Johnny Vegas takes a tumble.

Jimmy Carr hosts as Rob Beckett, Kerry Godliman, Nish Kumar, Natasia Demetriou, Fred Sirieix and Judi Love compete in the comedy panel show.

Jimmy Carr hosts as Kathy Burke and Roisin Conaty take on Johnny Vegas and Bob Mortimer. John Cooper Clarke joins Susie Dent in Dictionary Corner. With Rachel Riley.

Alex Horne gets an acting role, as Richard Herring delivers a star turn from behind a bush. Mawaan Rizwan nicks a cup of tea. Johnny Vegas takes a tumble.

CEO Andy Wirth takes on a new identity to work incognito among his own employees at a gigantic ski resort near Lake Tahoe.

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.

In Essex, Penny and Chris's homely menu doesn't live up to the standards of bling-tastic Tatia and Mick. Can young duo Lewis and Krystal impress their more experienced rivals.

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.

The One in a Hot Air Balloon: The sky really is the limit for David as he plans nuptials in a hot air balloon for bride-to-be Elle. How will she take it.

The One in a Car Park: In an attempt to avoid tradition, will James forget he's planning a wedding? And will his urban vision for his and Hollie's big day be bold or leave his bride cold.

We're back in Moreno Valley, where Justin gets on Rene's good side. Darrell admits he's no 'spring pigeon' - but he's got a secret weapon: caffeinated iced tea.

Casey's convinced she and Rene have enough stuff for years to come. Rene's not so sure. Kenny gets into a dodgy deal with Rene. And to top it all off, he might need an exorcist.

Travis Boersma, co-founder and president of US drive-through coffee shop chain Dutch Bros, does the daily grind undercover alongside his staff.

Ex-undercover boss Eric Casaburi brings together six participants in the series who were 'busted', 'nearly busted' or 'self-busted' while working in disguise among their staff.

Alfonso Ribeiro hosts as home video clips capture funny, surprising and memorable moments. A little girl has a unique approach to making cookies. Plus: nail-biting near-misses.

Rene brings his German dad Gunther to the auction for some moral support but ends up getting annoyed at him. Darrell has an unhinged approach to getting into a locked box.

It's 'Bring Your Brother to Work Day' in Thousand Oaks. Justin sinks his money into a unit with a nice pair. Dave pushes Mary to the edge.

Tensions are running high on the Katina. And one crewmember stirring extra chaos doesn't help.

Gordon Ramsay visits Italian bistro Charlie's, where the pasta's soggy, the lasagne's a liability and the chef can't even cook a meatball.

The Café Hon restaurant in Baltimore is struggling because its owner has alienated the local community. Can Gordon help.

Jimmy Carr hosts as Jason Manford and Joe Wilkinson take on Lee Mack and Fay Ripley. Alex Horne and The Horne Section join Susie Dent in Dictionary Corner. With Rachel Riley.

Jimmy Carr hosts as Jon Richardson and Catherine Tate take on Sean Lock and Joe Wilkinson. Joe Lycett joins Susie Dent in Dictionary Corner. With Rachel Riley.

The comics go all out to win in the semi-final: Richard Herring bleeds on beer mats, Mawaan Rizwan volleys oranges and Katherine Parkinson counts plastic balls.