Hot Tub Brits: More Bubbles Please! (Channel 5/HD | 9:00pm to 10:00pm | Sunday 8th August 2021)

Financial professional Brendan takes delivery of his £30,000 hot tub with a nailbiting crane lift over his house, while Rachel brings in the experts to move her hot tub to her new house, complete with unforeseen obstacles (2/2).

Secrets of the London Underground (Yesterday | 8:00pm to 9:00pm | Monday 9th August 2021) ** PICK OF THE WEEK **

Tim Dunn and Siddy Holloway explore the hidden parts of Euston, including unique features not found elsewhere and the bits set for demolition for HS2.

Guy Martin: The World’s Fastest Electric Car? (Channel 4/HD | 9:00pm to 10:30pm | Monday 9th August 2021)

Guy Martin explores the world of electric vehicles and attempts to set a new world record for the fastest road-legal battery vehicle, driving on a quarter-mile drag strip. The vehicle he chooses is a classic Volkswagen Beetle fitted with state-of-the-art Tesla technology, that allows the lightweight 50-year-old classic to accelerate faster than most supercars. He also sets off on a 1100-mile road trip to determine how reliable the country’s vehicle charging infrastructure is.

My Cornwall with Fern Britton (Channel 5/HD | 8:00pm to 9:00pm | Thursday 12th August 2021)

Fern explores the north of Cornwall, and delves into the pagan roots that may explain why the area is awash with tales of the supernatural, from witchcraft to pixies and giants. She also finds out why there are so many saints associated with the region, and uncovers the story behind St Piran (2/2).

Epic Wales: Valleys, Mountains & Coasts (Channel 4/HD | 8:00pm to 9:00pm | Friday 13th August 2021)

A look at the people who live and work in and around the remarkable landscapes of Wales’s three national parks. This episode features a visit to the slopes of the Brecon Beacons, where hill farmer Garry Williams and his family’s flock needs to be brought down from the mountains for lambing. Meanwhile, in Snowdonia, climbers John Crook and Dafydd Williams, who climb all over the world, but are always drawn back to the Carneddau mountain range on their doorstep, attempt a first climb of the Kirkus route on Pen yr Ole Wen – following in the footsteps of pioneering mountaineer Colin Kirkus.

Motorhoming with Merton & Webster (Channel 5/HD | 8:00pm to 9:00pm | Friday 13th August 2021)

Paul Merton and his wife Suki Webster are in the Lake District, the first time they’ve had a holiday there. Their first destination is Kendal, but first they have to negotiate their motorhome under a low bridge. Later they go to the Kendal mint cake factory, and after crossing Lake Windermere by ferry from Bowness, they head to a beautiful campsite on Coniston Water.

Ian Hislop: The Trains That Changed The World (Channel 5/HD | 9:00pm to 10:00pm | Friday 13th August 2021) ** NEW SERIES **

How four iconic British-built trains revolutionised rail travel and inspired incredible railway projects the world over. The Flying Scotsman was the first train to break the 100mph barrier. Travelling aboard this iconic steam locomotive, cameras reveal the engineering brilliance behind its design, and there’s also a look into the new era of high-speed rail, including the opening of the Eurostar.

Abandoned Engineering (Yesterday | 8:00pm to 9:00pm | Friday 13th August 2021)

Exploring a jungle refuge concealing a story of royal deceit, nuclear bunkers infiltrated by outsiders, and a haunted hospital marked by scandal.

All TV guide information taken from DigiGuide — www.getdigiguide.tv/?p=1&r=15119.