Edward starts an ambitious project to convert caves into a wine venue, but Anna isn't convinced it'll be worth it. Jayne and Steve plan a plunge pool but Steve doesn't read the instructions.

Edward is re-building the pool house, closely supervised by Anna. Debbie and Nigel move their bedroom into an unrenovated cellar. Jayne and Steve go all out on a Renaissance theme.

Anna and Edward's ambitious caves project comes to fruition. Lee goes metal-detecting. Julia renovates her guardian's cottage into a gîte.

Lydia and Gary start their search for a chateau to call home. Ben and Billie begin a complicated honeymoon suite project. Anna and Edward host their first wedding of the year.

Ben and Billie have a tricky task on their hands as they push to install the jacuzzi bath in the honeymoon suite's bathroom. Ben and Vanessa breath new life into their very own ballroom with gold leaf and a hand-painted ceiling fresco, complete with paintings of their children. Meanwhile, at Chateau La Perriere, Karen has lots to learn as she takes over the reins from the caretakers.

New chateau owners Helen and Matt create a homage to Napoleon and a mural based on Caravaggio's painting of Cupid. Tim and Rebecca finish the first floor of their gîte renovation.

Helen and Matt create an armoury in one of their towers - and build two cannons to guard their chateau. Donna and Paul start work on demolishing a wall and removing a staircase.

At Château la Briance, DIY novices Helen and Matt create an elaborate ceiling for their bridal suite and have to hoist the four-poster bed in through a window.

It's a big day at Chateau la Briance, as Helen and Matt get ready to finally open their chateau to guests on Valentine's Day. After weeks of hard work, Donna and Paul have to be creative with their cornicing as they finally complete their guest salon.

Anna and Philipp discover some unwanted wildlife in their chimney and finally move into the renovated top floor apartment of the chateau. Donna and Paul start work on their Victoria Suite and its lush en-suite bathroom. However, Paul's not so sure about the decor.

Angela and Steve try to create a toilet in one of their turrets by upcycling a champagne bowl into a basin. Wendy and Marcus come unstuck with an attic conversion.

In the Loire Valley, Stephanie and her friend Gerry embark on a flamboyant makeover of the entrance hall, using 4,000 euro wallpaper. Donna and Paul host a tour de France event.

At Chateau de Lalande, Stephanie and Gerry go bold with a colourful project in the tower staircase that Stephanie wants to turn in to a pigeonniere - a place to keep pigeons. In cognac country, Sarah and George are under pressure renovating a bedroom in time for a wedding in just a week's time. Cameras also return to Chateau de la Ruche, where Tim and Rebecca's gite conversion has moved on to the next stage.

Tim and Krys embark on a massive, exciting new venture as they leave their old chateau and start work on an abandoned and forgotten building that had been taken over by squatters. Tim and Sasha try to create a winding `path of discovery" through their massive bamboo forest to reveal a hidden view.

Matt and Helen introduce a touch of the UK with an English bandstand - only to find it has arrived as a flatpack. Ben and Billie begin renovating their 19th-century ballroom.

Matt and Helen hope to attract wedding parties by converting their orangery into a reception venue, putting pressure on Matt's DIY skills. Sarah and George begin to convert their cellars into a tasting venue and even find time to learn some cocktail making tips at a local distillery, while Ben and Billie's ballroom restoration gets under way.

Sarah and George complete their cellar conversion and make a discovery in one of the old barrels. Tim and Krys finally move into their new chateau and get to work on the garden.

Philipp starts a colossal ongoing project to reinstate their formal garden, and despite Anna's concerns, he gets chainsaw-happy with some unexpected consequences.

Incredibly wet weather has meant delays for Julia's swimming pool project, but she cracks on with finishing the renovation of the barn into a wedding and events space.

Donna and Paul discover their floorboards are riddled with termites, while Clive takes the opportunity to teach his daughter some DIY skills while putting together a bridal salon.

Abbie, Clive and Karen decide to convert a disused outbuilding into state-of-the-art function rooms. Donna has ambitious plans to turn an old sideboard into a grand statement bed.

Angela and Steve set out to convert the old wine store into a wedding space, and after two years of hard work, Tim and Rebecca finally complete the first room of their gîte.

Angela and Steve's wine store conversion gets even more challenging, as planning permission means they must create a stone arch for the three-metre-high new doorway that matches the other doors at the chateau. Abbie, Clive and Karen get inventive with the bar area in their function rooms and their top-of-the-range LED dance floor arrives, while Edward faces his fears as he attempts to fell a 100ft oak tree that is threatening to damage the building.

As Angela and Steve come to the end of their wine store conversion, they get inventive to safely install the heavy three-metre-high double doors and have some creative ideas for the interior. Arguments bubble as the finish line comes into sight for Abbie, Clive and Karen's function rooms. Near Bordeaux, Edward tries to help Anna learn new DIY skills as they try to make glossy entrance signs for their chateau.

Debbie and Nigel think creatively when it comes to fixing a wonky fireplace. In the far south, Sasha creates a xeriscape garden with her daughter, Lily, while Tim embarks on a challenging and unusual project to build a vast tunnel to provide shade for flowers entirely out of bamboo.

Belinda and Lee clash over the lighting for their gallery space, Tim gets creative with Sasha's bamboo tunnel and Stephanie plans to transform a fishing pond into a swimming pool.

The discovery of an old postcard inspires Janet and Philip to rebuild a lost turret. Donna and Paul think laterally when they decide to reinstate a statement window.

Questions are raised in the south of France when mortar refuses to set during Janet and Philip's ambitious turret project. At Chateau Lagorce, Anna and Edward hope to make the dream of their six-year-old son Charles a reality when they try to build a tree house on a grand scale. Plus, Ben and Billie's ballroom restoration project reaches the decoration stage - meaning Billie must face to her fear of heights to paint the ceiling.

It's a huge day at Chateau de la Fare when Janet and Philip's new turret is finally ready to have its spire installed. The pressure builds in the run-up to the reveal event where they've invited the local mayor. Having struggled with months of delays caused by the winter floods, Julia's new pool is nearing completion and she's determined to bring her artistic talents to the project.