The no-nonsense chef sets out to help restaurants in need - by spying on them using a state-of-the-art surveillance system and with the help of a mole on the inside. For his first mission, he gains a 360-degree view of Parthenon, a family run Greek restaurant in Washington, DC. It was once a pillar of the community but its decor, utilities and hygiene are severely lacking. Gordon sets out to give owner Pete the tools he needs to improve the eatery so he can hand over the reins to his son

Gordon visits the Italian bistro Caffe Boa, where he exposes the toxic working relationship between husband-and-wife owners Patrick and Jenny. Can he change Patrick's ways to save his business - and his marriage?

Interior design expert Laurence Llewelyn-Bowen celebrates great British visionaries, cherished eccentrics and proud-to-be-different homeowners. He begins by meeting Dawn, whose home was once owned by millionaire publisher Felix Dennis. Felix built the impressive barn on a party theme, with swashbuckling pirates and real palm trees. The house itself is set around an indoor gigantic swimming pool. Laurence also meets Billy, who has converted his cottage garden into a Wild West ranch with its very own saloon moonshine and catches up with 1970s-fanatic Estelle, who treats him to the furnishing delights of her beloved decade

Albert and Kristina have moved into a coach house in Leamington Spa which was last decorated in the 1980s with a mock medieval style. With a baby on the way, the couple are desperate to make their new home into something special - so George kicks off by knocking a huge hole in the ceiling for extra headspace. Will his other ideas prove just as exciting? The architect also visits a 200-year-old farmhouse on the edge of the Peak District, where he faces difficulties as the owners are reluctant to let him knock down any walls

Three pairs of partners from Manchester compete to win the £1,000 prize, including married couple of 19 years Fiona and Ian, who kick off the competition with a Spanish-inspired meal. Later, young newlyweds Lauren and Pete shock their guests with a mature and refined menu, before Karl and Mukta serve up Indian-themed dishes alongside a few surprises

Homer, Moe and Lenny go in pursuit of Carl when he skips town with $200,000 in winnings from a lottery ticket he bought with them. However, their search makes them realise how little they know about their friend and almost reaches a dead-end until Lisa points them in the direction of Iceland. Featuring music by Sigur Ros

Marge is feeling neglected by Homer, and the timing couldn't be worse as their 10th wedding anniversary is fast approaching. Little does she know her husband is planning a grand romantic gesture inspired by a special moment from their first year of marriage. But wires get crossed when the miffed housewife stumbles upon a dodgy website for couples bored of their partners, and she ends up chatting to the too-good-to-be-true Ben (voiced by Family Guy creator Seth MacFarlane)

Marge encourages Bart to explore his creative side and signs him up for piano lessons, but the youngster is less than enthusiastic about the prospect until he meets his Russian teacher Zhenya. Meanwhile, Homer is distraught after losing his last two hairs and becoming completely bald. Guest starring the voices of Jane Krakowski, Bill Hader and Justin Bieber

Colin Murray hosts the words-and-numbers quiz, with Rachel Riley taking care of the board and Susie Dent joined by Ranvir Singh in Dictionary Corner

Sam cracks open the champagne to celebrate Norm's birthday, while Diane meets Frasier's mother, who threatens terrible consequences unless she stays away from her son

Carla finds herself fighting her ex-husband Nick in a battle for custody of their eldest son. Comedy, starring Ted Danson and Rhea Perlman

Diane moves in with Frasier, but unfortunately soon develops an allergic reaction to his dog. Comedy, starring Shelley Long and Kelsey Grammer

Robert's traffic-school students complain they are fed up with his class, so he resorts to teaching them using a puppet - an innovation that proves far from boring. American comedy, starring Brad Garrett and Ray Romano

A discovery makes Ray worry about his mortality - and prompts him to compile a list of things he wants to do before he dies. Comedy, starring Ray Romano

Debra clears out all the kids' old baby clothes and gives them to a jumble sale, making Ray realise she is resigned to not having any more children

The brothers visit a luxury spa, where they are astonished to discover they are not enjoying the highest level of service and try to sneak into an area reserved exclusively for its most valued members. Comedy, starring Kelsey Grammer and David Hyde Pierce

Niles is left with no choice but to see patients in his apartment, while Frasier is forced to share his studio and airtime with an arrogant financial analyst - and later finds himself accused of sexually harassing her. Comedy, starring Kelsey Grammer and David Hyde Pierce

Lilith pays an unexpected visit and asks Frasier an unusual favour, while Niles worries about Daphne, who has gone with Roz, Alice and Mrs Moon on a road trip to Canada. Guest starring Millicent Martin and Bebe Neuwirth, with Kelsey Grammer, David Hyde Pierce and Jane Leeves

Daphne offers to host a dinner party to celebrate Niles' latest purchase, knowing that previous soirees held by the brothers have ended badly. However, her own efforts fail to work out much better and Frasier is forced to lend a clandestine hand, while Martin masquerades as a famous artist

After almost a decade away from this show, Gordon Ramsay returns to visit struggling restaurants across America, spending a week trying to help them become more successful. The Bel Aire Diner in Astoria, New York, is a family-run business apparently crumbling under dysfunction. With their parents retiring, the fiery chef urges two brothers to work through their emotional conflicts to save their beloved restaurant

The team heads to Birmingham, where Henry Cole stumbles upon a model metal tipper truck, which he is convinced will make some money

Matt, Mike and Janice head to County Durham's Bowes Museum, where they pick an ancient artwork to hang on the walls and bring a marvellous mechanical swan back to life. Elsewhere in Teesdale, Matt and Janice help prepare rare Teeswater sheep for shearing, while Janice gets the ultimate guide to the wildflowers growing in the surrounding Dales

Colin Murray, Rachel Riley and Susie Dent host, with Richard Whitehead in Dictionary Corner, as contestants race against the clock to pit their wits against words and numbers

The search is on around Abruzzo in Italy for a holiday home for carpenter David from Suffolk. Craig Rowe is on a mission to find him a one-bedroom apartment, ideally near the beach. With support also coming from David's best friend Lucy, Craig has lined up five great options for his £45,000 budget, but will any be perfect enough to put in an offer?

Gîte owners Mark and Lesley, who have a passion for military history, take flight with a new idea over the Normandy beaches. Mancunian couple Jackie and Lee have built a luxury hillside campsite in Italy, but will they ever get permission to open it? After five years living and working in Almería, fitness instructor Ali from Somerset sets sail on a new adventure

Erin and JB race to light up their red salon before a drinks party. Anna and Edward rebuild a sweeping stairway, and Christina and Sassan transform their grand front gates