Jimmy Carr hosts an edition of the irreverent panel show celebrating the Queen's Diamond Jubilee. Team captains Sean Lock and Jon Richardson are joined by actor Miles Jupp, broadcaster Chris Kamara, former royal correspondent Jennie Bond and comedienne Sarah Millican to give their unique take on the royal weekend, while dissecting the regal opinion polls, surveys and statistics thrown their way

Jimmy Carr hosts a hybrid of the comedy panel show and the words-and-numbers quiz, as Sarah Millican and Josh Widdicombe take on Alan Carr and Thanyia Moore. Mathematician Rachel Riley looks after the letters and numbers, while comedy duo The Delightful Sausage join lexicographer Susie Dent in Dictionary Corner

Team captains Jon Richardson and Sean Lock are joined by Micky Flanagan, Krishnan Guru-Murthy, Tess Daly and Hari Kondabolu on the satirical panel show hosted by Jimmy Carr. They answer questions based on opinion polls carried out around the country to see who best understands what is going on in Britain today

Bryon Stephens, the president and chief operating officer of Marco's Pizza, dons a disguise to work incognito with his employees - from delivery drivers to managers - so that he can assess how the organisation and its many franchises are faring.

Greg Adler, the president and chief executive of off-road accessory empire 4 Wheel Parts, goes undercover in his own firm. Within five years, he hopes to turn the company into a billion-dollar business with more than 100 stores, and he intends to make sure that it continues to provide high standards of customer service as it grows.

The DIY duo are back for series four! You know the drill: expect funky furnishings, hardware hysteria and, of course, problematic properties. Can Jonathan and Drew reverse more housing screw-ups?A few years ago, Frank and Diana moved into a million-dollar district, but their three-bed fixer-upper is far from fancy. And with four kids and a bird, the walls are closing in... Cue our transformation twins who are ready to help give this family a new start. While Jonathan focuses on reclaiming space, Drew searches for a new nest for them to call home. Short:Frank and Diana live in a million-dollar district, but their fixer-upper is far from fancy. Can the brothers find Frank, Diana, their four kids - and their bird - a new nest to call home?

Aussies Karla and Aiden begin the contest in south London with a modern menu inspired by their first rendezvous. Later, Delilah and Laurence cook up a romantic Italian feast, while Jane and John's version of a classic menu sees a catastrophe in the kitchen affect their chances of walking away with the £1,000 prize

Newcastle is the location as Rosalind and Roy present an evening of refined dining, Paul and Vanessa focus on their entertainment and Skev and Kayleigh serve up an eclectic menu

Groom-to-be Dele is given £12,000 and three weeks to plan the perfect wedding for his fiancee Tracy. After a 15-year engagement, Tracy is seeking nothing less than her dream of a romantic castle as the venue for her big day, but Dele seems more concerned about arranging a ceremony with a dramatic twist - inspired by his favourite soap opera

Comic book-loving groom Anthony wants to prove he can be a real superhero to bride-to-be Lauren, by organising a comic-inspired wedding in a cave. However, with Lauren hoping for a traditional affair, Anthony has his work cut out to convince her family that his theme will prove successful

Jeff Dudan, founder and CEO of environmental services company AdvantaClean, dons a disguise to work incognito among his own staff - including a project manager, a mould-removal technician and a cleaning technician - to ensure his franchise owners are following his template for success

John Fuller, the President and CEO of The Coffee Bean & Tea Leaf, goes undercover in his own firm. Six years earlier, he did the same thing while he was CEO of 1950s diner chain Johnny Rockets. In disguise, he meets a barista, a shift supervisor and a general manager to check just how efficient his coffee shops really are

Gordon Ramsay heads to Florida to help the owners of Fleming, a Danish restaurant in Miami. A husband-and-wife duo bought the business eight years ago in the hope of continuing the place's success, but started losing money rapidly. With a Cuban chef cooking Nordic cuisine and a filthy kitchen, things go from bad to worse until it all comes to a head on relaunch night

Gordon Ramsay visits Sushi Ko, a Japanese restaurant in California that is losing up to $20,000 a month. Gordon finds owner and chef Akira lacking in confidence and self-esteem as the strain of an empty business is beginning to take its toll on his relationship with this family