The Architecture The Railways Built (Yesterday | 8:00pm to 9:00pm | Tuesday 19th January 2021)

Tim Dunn visits Weymss Bay Station in Inverclyde and also explores the engineering marvel that is Blackfriars station in central London.

The Truth About Improving Your Mental Health (BBC 1/HD | 9:00pm to 10:00pm | Wednesday 20th January 2021)

Over the past 12 months, a team from Imperial College London, in collaboration with the BBC, have surveyed the mental health of over 350,000 people across the UK during the Covid-19 pandemic. Now, clinical psychologist Professor Tanya Byron joins former England footballer Alex Scott to discover how the latest science can help us gain greater control over our state of mind and improve mental health and wellbeing.

Grand Designs (Channel 4/HD | 9:00pm to 10:00pm | Wednesday 20th January 2021)

Kevin McCloud follows the progress of Nathan and Amye as they build a giant cathedral-like property modelled on Dutch barn style houses, but with a contemporary twist. It is a hugely ambitious plan, and with Nathan project managing and setting themselves just a year to finish the build, the pressure to pull it off is huge.

The Thames: Britain’s Great River with Tony Robinson (Channel 5/HD | 9:00pm to 10:00pm | Wednesday 20th January 2021)

Tony goes behind the scenes at the iconic Cutty Sark in Greenwich, meeting with the passionate team who care for this historical tourist attraction. Later, Tony visits a metal recycling yard on the banks of the river, before heading out of London to the Hoo peninsula in Kent, where he discovers a rich history of military defence in one small fort.

Death in Paradise (BBC 1/HD | 9:00pm to 10:00pm | Thursday 21st January 2021)

It seems money doesn’t buy happiness when lottery winner Cherry is found dead at her luxurious villa, much to the horror of her husband and their visiting friends. As usual, Neville and the team are presented with a real head-scratcher when it turns out no one was in the house at the time – and the mystery deepens when the victim’s body apparently vanishes into thin air. Meanwhile, JP is training unruly new officer Marlon, aware that his wife Rosey is due to give birth at any time. Kelvin Fletcher, Jason Manford and Faye McKeever guest star.

Hadrian’s Wall with Robson Green (Channel 5/HD | 9:00pm to 10:00pm | Thursday 21st January 2021)

The actor travels from Chollerford to Walltown Crags, and learns more about how the Romans took care of themselves so far from home. He samples natural cuisine and checks out the spa at Chesters Fort, before paying a visit to the latrines of Housesteads Fort, which were once the envy of an empire. He goes on to pit his fishing abilities against an angling rival, gladiator-style, before climbing Steel Rigg to reach the route’s highest summit.

Susan Calman’s Grand Day Out (Channel 5/HD | 8:00pm to 9:00pm | Friday 22nd January 2021)

The comedian ventures east of the Pennines on a 126-mile journey that begins at the North Yorkshire village of Runswick Bay, where she goes hunting for a rare gemstone called Whitby Jet. Susan samples the local cod and chips before exploring the gothic ruins of Whitby Abbey – famed for inspiring some of the most dramatic scenes in Bram Stoker’s Dracula. After a spell at Mother Shipton’s Cave – the oldest tourist attraction in England – she meets up with a group whose members reconstruct Roman gladiatorial battles in York. Finally, Susan ventures to Malham Cove, a huge curving amphitheatre-shaped cliff.

It’s a Sin (Channel 4/HD | 9:00pm to 10:00pm | Friday 22nd January 2021) ** PICK OF THE WEEK **

Russell T Davies’ drama, set in the 1980s during the Aids crisis, following the lives of a group of young gay men. September 1981 finds 18-year-old Ritchie leaving the Isle of Wight to go to university. In London, Roscoe walks out of parents’ home, while Colin arrives from Wales to start a new career on Savile Row. The three men meet, and along with fellow student Ash and best friend Jill form a gang and move into a flat, christened the Pink Palace. However, a distant threat on the horizon means that life in the 1980s might be all too precious. Olly Alexander, Omari Douglas and Callum Scott Howells star.

The World’s Most Scenic Railway Journeys (Channel 5/HD | 9:00pm to 10:00pm | Friday 22nd January 2021)

Luxury heritage train The Northern Belle, aka steam locomotive 6201 Princess Elizabeth, travels through England’s rural north west. Beginning in Preston, the passengers of its stylish 1930s Pullman carriages are soon whisked up through Cumbria and the spectacular landscapes of the Lake District. The train continues on to historic Carlisle, the site of a world-class medieval cathedral and home to supposedly England’s most haunted station. It then joins the Settle to Carlisle line, considered one of the most scenic railway routes in the world.

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