After the Flood
9pm, ITV1
The climate crisis hits primetime crime drama in this action-packed new series about a northern English town devastated after being hit by a mighty flood. After a slightly ridiculous start, it eases into a steady thriller as heavily pregnant PC Joanna Marshall (Gentleman Jack star Sophie Rundle) becomes obsessed with finding out what happened to a man who was dragged away in the deluge. Hollie Richardson
The Repair Shop
8pm, BBC One
A shattered commemorative poppy that belonged to a beloved dad, a portrait of a sister who died as a teenager and a clock with a chime that will bring back precious memories: Jay Blades and the team never fail to deliver the emotional goods. There’s also a hot towel machine that’s a reminder of a family barber shop. Hannah Verdier
Loyalty Cards: Are They Worth It?
8pm, Channel 5
It’s astonishing how much you can save in Tesco with a Clubcard. But what exactly are we giving them in exchange that’s more valuable than cash? Alexis Conran investigates what loyalty cards are doing with our data. HR
Landscape Artist of the Year 2024
8pm, Sky Arts
Stephen Mangan is back with another series of the painting contest with the best views. The first round takes the artists to north-east Scotland’s Dunnottar Castle, with its medieval ruins perched on the cliffs above a sweeping bay. With a £10,000 commission for the Science Museum going to the winner, it’s all to paint for. HV
The Traitors
9pm, BBC One
This year’s contestants really aren’t holding back at the roundtables – and as well as another ding-dong accusation marathon, this episode features Claudia Winkleman unleashing a shock format twist, along with a mission designed to unbalance the already erratic castle-dwellers still further. Jack Seale
Truelove
9pm, Channel 4
As Marion’s (Sue Johnston) health deteriorates, she announces that she’s ready to go, but she’ll need some help from her old friends. Can their “elegant exit” pact, made over a few post-funeral drinks, withstand any more dramatic departures? Ken (Clarke Peters) has his doubts, plus nosy police officer Ayesha (Kiran Sonia Sawar) is growing increasingly suspicious. Ellen E Jones