TV Tonight: A cozy art competition in the Lake District television

Landscape Artist of 2026

8 p.m., Sky Arts
Known as the ‘Queen of the Lakes’, Derwentwater is home to the world’s largest crayon – housed in the Derwent Pencil Museum in Keswick – and is the starting point for this year’s art competition. Stephen Mangan is back to warm hosting duties, with some artists begging for sunlight to hit the water while working on their paintings. The first artist is chosen for the semi-finals – along with the wildcard artist – but do you agree with the judges’ decisions? Holly Richardson

How to keep your brain young

7pm on Channel 5
Are you worried about your memory? Do you think you’re scrolling too much? Dr. Amir Khan follows three volunteers with concerns linked to their brains, testing new research and lifestyle tips through two-week challenges. He also talks to experts about detecting early dementia and treating addiction and depression. Human resources

Traitors

8pm, BBC One
More stabbings in the dark and autopsies over breakfast as the massive cloak-and-dagger hit heads into week three. Hopefully by now both viewers and surviving traitors have come to terms with the new tricks and revised ruleset. But after such an incident-filled first half of the series, are there more twists to come? Graeme Virtue

Dig for Britain

9pm on BBC Two

This episode of our informative annual archeology series includes what presenter Professor Alice Roberts describes as a “once-in-a-lifetime find”. The team is based just outside Thetford in Norfolk – on the site of a potential housing development that was once home to Queen Boudica. Excitement is contagious as something extraordinary emerges from clay. Phil Harrison

Matlock

9pm, Sky Witness

The exciting and satisfying legal drama continues in its second season, with more dueling between scheming veteran Matty (Kathy Bates) and ambitious pilot Olympia (SkyP Marshall). This week, can either of them successfully blackmail or coerce the other by sending damaging leaked information to the New York Times? Jack Seale

Can you keep the secret?

9.30pm on BBC One
Sneaky fun in the new sitcom from the people behind Ghosts and This Country. Dawn French plays awkward widow Debbie, who tells her worried son Harry (Craig Roberts) that her husband William (Mark Heap) faked his death. But can she convince Harry not to tell his police officer wife? Human resources