The Truth About Chlorinated Chicken: Dispatches, C4, 8pm

AS Donald Trump touches down in the UK, a post-Brexit trade deal is top of the agenda. And one of the most controversial issues is whether we would have to accept chemically washed American chicken as part of a deal. It’s been banned in the EU for more than 20 years because of concerns that it masks poor hygiene practices in other parts of the supply chain. Dispatches goes undercover in a major US poultry processing plant to investigate.

Springwatch 2019, BBC2, 8pm

CHRIS Packham, Iolo Williams and Michaela Strachan catch up with all the latest news from the nest cameras at their base in the Dell of Abernethy in the Cairngorms National Park. After her travels around Cornwall, Gillian Burke has moved north to Birmingham to present a series of live reports about the health of the nation’s wildlife in urban areas, while paddleboarder and conservationist Cal Major starts a week-long mission to inspire the public to engage with their local wildlife.

7 Up & Me, STV, 9pm

IN 1964, Granada Television launched a TV series,which aimed to follow the lives of a group of seven-year-olds from differing social backgrounds. Ahead of the latest instalment, 63 up, which begins tomorrow, celebrity fans explain why the show means so much them, and contrast it with their own experience growing up. Tony Robinson and Ben Bailey Smith discuss which of the 7 Up participants made the biggest impact on them.

999: What’s Your Emergency? C4, 9pm

CYNICAL viewers might sometimes wonder if it’s possible to ring 999 these days without your call ending up on TV – this week alone, you can watch Ambulance on BBC1 and Casualty 24/7 on Channel 5 – but it’s easy to see why programmes about the emergency services have been so popular. The new run of 999: What’s Your Emergency focuses on arguably Britain’s most-stretched service, the police, exploring the challenges facing officers on the beat.