Sherlock (BBC 1/HD | 9:00pm to 10:30pm | Sunday 15th January 2017)

Contemporary crime drama, based on the stories by Arthur Conan Doyle. In the final episode of this series, long-buried secrets finally catch up with the Baker Street duo. Someone has been playing a very long game indeed and, alone and defenceless, Sherlock and Dr Watson face their greatest ever challenge. Is the game finally over?

Great British Railway Journeys (BBC 2/HD | 6:30pm to 7:00pm | Monday 16th January 2017)

Armed with his Bradshaw’s Handbook, Michael Portillo begins a journey across Ireland. In the port of Wexford, he takes to the seas in a 100-year-old lifeboat and discovers a hero of the American navy. He tunes in to the Meeting of the Waters at the Vale of Avoca, then heads for Wicklow, where he learns of a Victorian project to combat sickness and disease in the capital, Dublin. Embracing the gentler pace of life of a traditional Irish traveller in Victorian times, he ends this leg in a beautiful horse-drawn, barrel-top caravan.

Silent Witness (BBC 1/HD | 9:00pm to 10:00pm | Monday 16th January 2017)

A woman’s body found floating in the Thames leads Nikki and Jack to a riverside community scarred by grief after the disappearance of a teenage girl three years ago.

Britain’s Ancient Capital: Secrets of Orkney (BBC 2/HD | 9:00pm to 10:00pm | Monday 16th January 2017)

Three-part series in which Neil Oliver, Chris Packham, Andy Torbet and Dr Shini Somara join hundreds of archaeologists from around the world who have gathered in Orkney to investigate at one of Europe’s biggest digs. Andy Torbet dives below the waves in search of the inspiration for the first stone circle, Chris Packham and Neil Oliver spend the night on an abandoned island as they hunt for clues as to why cultures change, Shini Somara tests the technology behind a Bronze-Age sauna and the archaeologists uncover a remarkable find. e

Great British Railway Journeys (BBC 2/HD | 6:30pm to 7:00pm | Tuesday 17th January 2017)

At Trinity College, Dublin, Michael Portillo discovers one of Ireland’s greatest treasures and learns how it became the symbol of the nation. There is a chance to sample the black stuff in a Dublin pub before Michael learns how Victorian royals were deployed to calm rocky relations between Britain and Ireland. He explores the magnificent house and gardens of Powerscourt in County Wicklow. Finding an angle on triangulation helps Michael to understand how Ireland was put on the map – and why.

The Paper Thistle: 200 Years of the Scotsman (BBC 2 Scotland & BBC iPlayer only | 9:00pm to 10:00pm | Tuesday 17th January 2017)

Documentary telling the story of The Scotsman, one of Britain’s most famous newspapers. The Scotsman has been at the heart of Scotland, uncovering corruption, skewering politicians and celebrating the arts for over two centuries, while both reflecting and shaping the nation.

Great British Railway Journeys (BBC 2/HD | 6:30pm to 7:00pm | Wednesday 18th January 2017)

Michael Portillo gets up to speed with modern archaeology in County Meath and uncovers a controversial Victorian dig at the sacred Hill of Tara. He investigates leaping salmon in Leixslip and discovers an electrifying breakthrough at an historic seminary. At Mullingar, Michael bangs the drum for the town’s marching band.

Silent Witness (BBC 1/HD | 9:00pm to 10:00pm | Wednesday 18th January 2017)

After bereaved mother Ali attacks suspect Aaron, Nikki is under fire for leaking information. Jack and Thomas must bridge internal divisions to track down the killer.

Great British Railway Journeys (BBC 2/HD | 6:30pm to 7:00pm | Thursday 19th January 2017)

With his Victorian Bradshaw’s guidebook in hand, Michael Portillo crosses the Emerald Isle uncovering Irish identity, forged at a time of political strife. Travelling through the beautiful landscape, Michael learns how it inspired one of the 20th century’s greatest poets, WB Yeats. In Dromod, Michael learns how to make an Irish staple – a potato pancake, known as boxty. At the home of the father of Irish fiddling, Michael attempts to master a traditional Irish dance.

Death in Paradise (BBC 1/HD | 9:00pm to 10:00pm | Thursday 19th January 2017)

Detective drama series set on a Caribbean island. Humphrey and Martha’s romantic weekend at the remote Hotel Cecile is disrupted by the murder of the hotel owner on the first night of their stay.

Great British Railway Journeys (BBC 2/HD | 6:30pm to 7:00pm | Friday 20th January 2017)

On the last leg of Michael Portillo’s long journey from Wexford to Westport, a fashionable Victorian seaweed bath is followed by a steamy scene in Ballina. On tenterhooks in Foxford, Michael discovers the visionary charity of an entrepreneurial nun. He learns of a double tragedy at Clew Bay and begins a pilgrimage to the summit of Ireland’s holy mountain, Croagh Patrick.

Best Walks with a View with Julia Bradbury (itv/HD | 8:00pm to 8:30pm | Friday 20th January 2017)

Julia Bradbury chooses some of her favourite and most accessible family treks from across the UK. This episode sees Julia heading to Loch Lomond’s bonnie banks for her favourite lake walk – with two walks in one. Taking in the popular West Highland Way, it is just a quick boat ride to the idyllic island of Inchailloch, a jewel in Loch Lomond’s crown, for stunning views over the Loch.

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