Martin waits for the couples at the checkpoint in Carcassonne. The race is tight, but who will be the first to sign the yellow book?

A reel of film goes missing, sending Matt and Sal on a race against the clock to find it.

It's win or lose for both Henrik and Siri and Ole and Unni. Who will advance to the playoffs?

Left to her own devices, Natalia faces her new circumstances and how the world sees her.

Returning Champion; 

At Chateau La Grande Maison, Ben and Billie race against time to complete the major renovations of the hallway and stairs before their annual romantic couples' weekend. In the Dordogne, at Chateau des Vieilles Vignes, Nick and Nicole are hoping to create a little bit of magic as they construct a Narnia-inspired secret door. Chateau shoppers Lucy and Tim begin their fairytale quest to find the perfect chateau to call their forever family home.

Simon Weston and Monty Panesar join Tim Medhurst and Roo Irvine for a jolly jaunt in South West Wales. The car of choice is a 1960 Morris Oxford.

Scarlette and Stuart Douglas help a couple renovate their recently-inherited five-bedroom home in Balham, London to make it appealing to a modern family.

The row over Emma's extension becomes even more heated as her neighbours stand firm in their opposition to the build.

And when Emma asks Derek and Barbara to move their tree; under pressure from builder Lee, the response is alarmingly aggressive, making Emma start to seriously wonder what's under that tree. But Derek is not about to give up, and in frustration approaches Sonia to support him in opposing the building work.

Emma is unsurprised, but nonetheless hurt, when her father, Terry, reveals that he does indeed want something in return for helping Emma get her planning permission - a request that is both an ethical and financial quandary for solicitor Emma.

Andi gets closer to a flattered Beth who finds the attention from someone who is interested in her and her work intoxicating. Beth is seemingly falling for the charismatic Andi.

By now Alan is concerned about Sonia's movements; why is she going to work on a Saturday when she is a teacher? His concerns only grow when John isn't free for a pint either. Is there a reason that neither are around at home at the weekend?

Nick finds himself being driven insane by the noise from Emma's building work, so he builds up his campaign for parking permits. In order to pressure John to sign his petition, Nick shows him some suspicious footage he has of him. John reacts vehemently to the threat of blackmail and denies that there is anything suspicious in the footage.

Pondering her dad's request, and with John ignoring her calls, Emma pays Alan a visit and the two feel a connection when they discuss their respective partners' recent disappearances. Is there something growing between them? Their chat is cut short however, when a fight blows up between Derek and Emma's builder, Lee.

While the street continues to dissolve into mayhem, Sonia makes an unexpected discovery and John guards his secret.

And as another week comes to a close on Shelbury Drive, the anonymous notes to Emma become more threatening – and more sinister.

Recently widowed 82-year-old Kathryn plans to build a new, accessible, ultra-sustainable home right next door to the home she lived in with her husband Jon, where a garage and extension currently sit. It'll be a mirror image of her current Edwardian house, but with a 21st-century twist. Pulling off this daring feat proves difficult, when far deeper than anticipated foundations have to be removed, horrendously wet weather causes problems and unexpected costs arise.

Guy Phoenix and his team battle against the winter weather as they start to build the huge swimming pool annexe and Guy visits the location of another superhome project that he's due to start soon, which will involve digging out a 5000-square-foot basement to create a lavish entertainment space, including a swimming pool and a bowling alley.

The Kratt Bros decide to take a day off from adventuring by going camping! While setting up their tents, they meet a mischievous little moose calf who Martin names Nibbles. But, Nibbles seems to have lost her mom! It's the Wild Kratts to the rescue as they go in search of the missing moose and learn so much about moose along the way.