Trish makes a rotten discovery under her pool decking. Sarah and George open their doors to the village as they celebrate their chateau's centenary.

Bad weather threatens a wedding in the Languedoc region of France, forcing Tim and Sasha to find a back-up plan to salvage a couple's big day. At Château Domaine de La Barde, Tim and Krys race to get their cookery school ready in time for visitors, while at Château de Lassalle, tension brews for Christina and Sassan as they compromise over their new poolside kitchenette.

At the magnificent Chateau du Puits Es Pratx, Tim and Sasha put their creativity to the test as they attempt to overhaul an outdated guest room with some upcycling ingenuity. Christina and Sassan find leaks in their irrigation system, while their ambitious poolside project pushes them to the limit. Meanwhile, in the Dordogne, Tim and Krys race to finish three new bedrooms before their first ever guests arrive.

Jon and Carmen battle the imposing vines that threaten their tower's infrastructure and temperatures rise for Tim and Krys as they build their cookery school from scratch. Christina and Sassan bite off more than they can chew with a poolside kitchenette.

Tim and Krys transform an old restaurant building into a cookery school in the Dordogne and Jon and Carmen make a discovery under the floors of Chateau de Cezerac. Chris and Jolyon celebrate their one-year anniversary at Chateau Trois Cloche with a treasure hunt and pride party.

At Château de Cézérac, sparks fly as Jon and Carmen try to get the power back on. Has Julia bitten off more than she can chew with a Mad Hatter's party?

Belinda and Lee take on a force of nature felling trees for their terrace. Stephanie gets her hands dirty sourcing fresh ingredients for a dinner party.

Donna and Paul convert a cow shed into a sophisticated business suite. Alison and Zion are stung when they discover a nest of bees in their bridal suite.

Becky and Mark race to get their gîte ready before guests arrive. Temperatures rise for Sarah and George as they host a wedding during a heatwave.

Alison and Zion have digger troubles as they unearth huge rocks in the wedding garden. The heat's on for Sasha as she attempts to paint a poolside mural.

Tim and Sasha create a new water feature. Alison and Zion add a Moroccan twist to their bridal suite. Becky and Mark tackle a staircase at their gîte.

At Château Trois Cloches, Chris and Jolyon fix an antique chandelier and add the final touches to their grand salon. And it's decision time for château shoppers Jane and Rory...

At Château Trois Cloches, Chris and Jolyon race to finish their luxury bedroom and bathroom. Can Donna and Paul put their décor differences aside to finish the Highlander Suite?

Love is in the air at Château de Saugé, as Donna and Paul impress their guests with a romantic event. Chateau shoppers Jane and Rory's hunt for their dream home starts to crumble.

Donna and Paul fly the flag for Scotland as they create a highlander-themed suite. At Château La Grande Maison, Ben and Billie give their exterior facade a major facelift.

At Château Lagorce, Anna and Edward wrestle an enormous tree before it brings the terrace wall down. At Château Trois Cloches, Chris and Jolyon turn a pit into a beautiful pond.

Terry and Ashley are up against a brick wall to revive their garden. Erin and JB welcome a different type of guest... at their biodiverse insect hotel.

Terry and Ashley uncover a nasty surprise behind their derelict chateau's wood panelling. Belinda and Lee host a coronation-themed murder mystery.

Terry and Ashley uncover a nasty surprise behind their derelict chateau's wood panelling. Belinda and Lee host a coronation-themed murder mystery.

Trish learns that building a curved bridge is not as straightforward as she thought. Will picky chateau shoppers Andrea and David find their dream home?

Tim and Sasha convert a 180-year-old wine barrel into a dining space. Andrea and David view a property that one of the three musketeers lived in.

Belinda and Lee pull out all the stops for a three-course charity dinner. Erin and JB race to complete a towering renovation in their fairy-tale turret.

Erin and JB battle to weatherproof their turret. Ben and Billie renovate the gatehouse. Nick and Nicole race to complete renovations before baby arrives.

Erin and JB tackle the tall order of turret renovation. Ben and Billie host a couples' weekend. Nick and Nicole take on their chateau's entire facade.

Tim and Rebecca host their first-ever floral retreat. Nick and Nicole race against time to create a liveable space before their baby arrives.

At Chateau des Vieilles Vignes, Nick and Nicole battle freezing temperatures to transform a wing. And at Château la Grande Maison, Ben and Billie embark on creating a luxurious suite.