E4 Extra

Rob Beckett and Aisling Bea are joined by Katherine Ryan, Alex Brooker, Carol Vorderman, Ant Middleton, Tom Davis, Ella Eyre, Sara Pascoe, Nish Kumar, Jessica Knappett, Joe Wilkinson, and many other guests from the worlds of entertainment.

Sean Lock and Isy Suttie take on Jon Richardson and Richard Osman, Alex Horne and the Horne Section join Countdown's resident lexicographer Susie Dent in Dictionary Corner, while Rachel Riley looks after the numbers and letters.

Jo Brand shows cowboys how to cowboy, Katy Wix tortures Alex Horne with the help of a garden arch and Rose Matafeo asks a stranger if they have a library card.

Bringing the best in television.

Sports bar chain Walk-On's founder, Brandon Landry, and co-owner, NFL quarterback Drew Brees, go undercover in their own company to find out what it's like for their 4,000 staff.

Chairman Alan McKim goes undercover in Clean Harbours, a hazardous waste disposal company that deals with anything from oil spills to hurricanes, to understand his business better.

In Bedfordshire, Tom and Naomi prepare posh nosh, Victoria and Elliot serve a controversial goat curry and Neil and Charlie plan to impress their guests with mystery and magic.

In Northampton, Pam and Glenn's Spanish food gets a grilling from their guests, Victoria and Delroy serve up Caribbean cuisine, and Wendy and Mark's night doesn't go to plan...

Sophia wants a blingy wedding that will put her centre stage. Love-struck groom Micky hopes to impress with a winter wonderland event and not be left out in the cold with a frosty reception.

While bride-to-be Hayley always dreamed of a traditional Jewish wedding, bodylicious Ben would prefer a hot tub wedding. Hayley might be willing to take the plunge, or she could end up bubbling with fury.

Mary's unit brings out her inner voice, Kenny attempts to clothe America and Brandi and Jarrod get a leg up on the competition.

Indio, California, proves to be fascinating for Dave. Brandi and Jarrod find the ultimate stash and Mary's locker misfires.

The Vitamin Shoppe's CEO goes undercover to learn new ways to achieve added growth for her brand, and to experience how her new operational changes and innovations are impacting the front lines.

Laurent 'LT' Therivel, a Marine veteran who started as CEO of mobile network UScellular less than a year before going undercover, wants to see how his new brand is growing.

People are baffled by simple riddles; a woman loses her wig on an amusement park ride; people get stuck in things.

Brandi rescues a loose pooch from oncoming traffic in Riverside, California. Darrell's unit confirms his magic bullet theory and Kenny's locker contains a shiny score.

Darrell gives and takes when the buyers descend upon Arcadia, California. Ivy's prospects soar and Rene and Casey uncover a his-and-hers locker.

Kyle has an emotional hangover after his targeted speech at the crew night out. Rainbeau snitches on Solene to Fraser, and Solene finally confronts an avoidant Jess. And Jess struggles personally and professionally.

Gordon Ramsay revisits the kitchens of six restaurants that he altered when they were about to close their doors.

Gordon Ramsay revisits two restaurants - Giuseppe's and Sante La Brea - to find out whether his advice has been put to good use. Plus: an update on Finn McCool's.

Sean Lock and Bob Mortimer take on Jon Richardson and Holly Walsh. Isy Suttie's in Dictionary Corner with Susie Dent, while Claudia Winkleman stands in for Rachel Riley on letters-and-numbers duty.

Jon Richardson and guest Johnny Vegas captain the teams, with Claudia Winkleman and Alex Brooker joining them, while Tom Allen appears in Dictionary Corner with Susie Dent. Rob Beckett makes a special appearance.

Jo Brand demonstrates an impressive grasp of street slang, Katy Wix uses a long part of her body to steal something and David Baddiel takes a sledgehammer to a problem.