TV tonight: months of undercover A&E footage is a deeply troubling watch

Dispatches: Undercover A&E – NHS in Crisis

9pm, Channel 4
This exposé of the NHS’s dire state airs bang in the middle of the election campaign for maximum impact. It features footage secretly shot over two months by a reporter working inside an A&E department, and promises a litany of horrifying conditions – including seriously ill patients sleeping on chairs for days at a time, superbugs fed by overcrowding and ambulances having to queue for hours before dropping off patients. It’s followed by a debate hosted by Krishnan Guru-Murthy on how to fix the NHS. Alexi Duggins

Tonight: The Leader Interviews

7pm, ITV1
The boundlessly peculiar election campaign continues: this time, Nigel Farage of Reform UK and Carla Denyer of the Green party get a chance to state their cases as their policies are stress-tested in long-form interviews. Scottish viewers will be able to watch an interview with SNP leader John Swinney. Phil Harrison

The Cancer Detectives

7.35pm, PBS America
In 1928, for the first time in history, there was a simple screening test for cervical cancer – the pap smear. This is the fascinating story of the people who made it happen, including Greek immigrant Dr George Papanicolaou, African American gynaecologist Dr Helen Dickens and a new class of female scientists. Hollie Richardson

Long Lost Family: Born Without Trace – What Happened Next

9pm, ITV1
After more foundlings, and their belated, life-changing discoveries. Caroline Harris-Gray, found in a vegetable box in 1968, connects with her paternal siblings and meets the police officer who found her. Also, Harvey Shackell, left on a doorstep at Christmas in 1960, reunites with his sister, half-siblings and Vera Wood, the doorstep’s owner. Ali Catterall

House of the Dragon

9pm, Sky Atlantic
The longest HotD episode to date makes for deeply unsettling viewing as Aegon, Alicent and the rest of Team Black struggle to come to terms with the loss of one of their own. Rhaenyra, meanwhile, reels from the accusations being hurled in her direction – is an all-out war unavoidable? Kayleigh Dray

The Sympathizer

10.25pm, Sky Atlantic
The narratively tricksy adaptation of Viet Thanh Nguyen’s Pulitzer-winning novel continues. After being blown up by movie pyrotechnics, Vietnamese double agent the Captain (Hoa Xuande) gets a rare breather in hospital. In his absence, the General has cooked up a risky invasion plan in the back of a pho shop beloved by expats. Graeme Virtue

Live sport

Women’s tennis: Eastbourne, 1pm, BBC Two
Wimbledon 2022 winner Elena Rybakina is the top seed at the grass court event.