Cartman locks horns with his mom in a battle of wills, while an epic conflict unfolds and threatens South Park's very existence.

Princess needs a new plan to get Scarlett to help her. Aminah thinks her wife doesn't want to be with her anymore, but instead she is shielding her from a devastating secret.

Anne Robinson and Rachel Riley host the words-and-numbers game where contestants pit their wits against the clock. Robert Hardman is in Dictionary Corner with Susie Dent.

Charlie and Chris head to Bristol to convert a concrete car crash into a relaxing retreat for Sam, Amy and their two French bulldogs, Alphonse and Aldrich. The couple would like a calming space where they can do yoga, which is particularly important for Sam, who suffers with anxiety. Can the team create a tranquil haven for £4,000?

A catch-up with series favourites Tony and Michelle, who swapped Essex for a new life on the Costa del Sol 13 years ago, and now run a business supplying awnings and glass walls.

In Northern France, Tim and Margreeth decide to create a well-being and mindfulness experience in their vast woodland, starting with a sensory `barefoot path". The job turns out to be less than zen. Matt and Helen take on the restoration of a horse-drawn carriage and Helen faces the challenge of upholstery. At Château de la Fare, Janet is back from the UK and keen to help Philip finish their third guest suite. However, something as simple as the paint colour causes concern. Narrated by Adjoa Andoh.

Tara Setmayer guest co-hosts; actress Sara Bareilles ("Girl5eva").

Family man Ali plans to stun the diners on the third evening in Sheffield with his international fusion menu, including unconventional combos that mystify his guests. The night starts off well, until Ali is faced with some unexpected feedback that leads to some particularly awkward moments.

Bradley Walsh presents as Ness, Chloe, Carey and Fergus pit their wits against one of the ruthless Chasers in the hope of winning a potential prize pot worth thousands of pounds. They work as a team and play strategically to answer general knowledge questions against the clock and race down the game board to the exit without being caught.

Three baby Monumential turtles hatch, and they are the size of city blocks! The playful babies accidentally sink a fishing trawler! Can the Nektons wrangle these creatures before they sink even more ships?

Sara is joined by comedians Jo Brand and Darren Harriott, and actors Nina Wadia and Neil Morrissey. They will all be sharing their favourite books, as well as reviewing this week's two book club choices: the new book pick is Love Marriage by Monica Ali and the selection from the BBC's Big Jubilee Read list, celebrating authors from across The Commonwealth, is The Handmaid's Tale, by Canadian author Margaret Atwood.

Nancy and Zack get some devastating news. Linda makes a huge business decision, oblivious to the consequences. Suki gets a stomach-turning letter.

Jay Blades and the team mark the Queen's platinum jubilee by bringing four treasured heirlooms with a royal connection back to life.

The live semi-finals will welcome back the acts who impressed the judges as well as our golden buzzer performers, singer Loren Allred; comedian Axel Blake; dancers Born to Perform; magician Keiichi Iwasaki and singer/songwriter and musician Flintz & T4ylor.

Ant and Dec will host the semi-finals while Simon Cowell, Amanda Holden, Alesha Dixon and David Walliams return to the judges' desk. Eight contestants will perform in each live semi-final. The first finalist is chosen via public vote and the second finalist will be chosen by the judges.

The MUAs are booked to create summer party looks for global retailer H&M Beauty for an online campaign that will be seen by millions. Joining Val and Dom are guest judge and global creative director for the brand Marjorie Lacombe-Jelinek.

The MUAs have just two hours to design and create party looks that focus on the brand's eyeliners, eye shadows and stand-out lip colours. Their looks and models are then screen-tested by the judges to see who has hit the brief and created the strongest look, which will then go on to be shot and featured in the global summer party campaign.

This week's creative brief is all about Seasons of Change. The MUAs are challenged to create a look inspired by a time of change in their own life. The judges want them to design bold, creative and conceptual looks in two and a half hours.

Finally, the judges decide which two MUAs will go head-to-head in the Face Off elimination, a make-up skill drill under intense time pressure, after which, one MUA packs up their make-up kit and leaves the competition.