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The ever-intrepid Louis Theroux joins the Philadelphia Police Department as they patrol the most dangerous part of one of the most violent cities in America. Ep9

Louis meets patients at two of London's largest eating disorder facilities, following them through a daily routine of scheduled eating, weigh-ins and group therapy.

Caroline treats a father of four with severe pancreatitis, Rhona restores her patient's health with a large blood transfusion, and Sarah cares for a mum with incurable stomach cancer. S2 Ep9

Time is against ambulance crew mates Laura and Jason as they treat a 74-year-old woman who is having a stroke. Olly and V are called to a man whose heart is beating dangerously fast. S13 Ep17

Beyond Belief: Louis looks back at his earliest documentaries and explores how some people's most fervent beliefs can bring them into conflict with mainstream society. S1 Ep1

It is fast food week, and with a place in the semi-final at stake, the final five cooks must level up instant noodles and attempt to bash out Mexican fast food in just 90 seconds. S1 Ep6

Shopping from Home.

Today's challenge is set by MasterChef legend Julie Goodwin, who has brought in a pot of her seafood stew. S15 Ep10

Jo and Ash deal with a patient whose chronic cough leaves him struggling to breathe, while Joel and Nic treat a man who's fallen from a ladder while wielding a hedge trimmer. S13 Ep3

Ben Shephard hosts the quiz show in which four players take on an extraordinary machine in the hope of winning its 10,000 pound jackpot. S10 Ep74

Ben Shephard hosts the quiz show in which four players take on an extraordinary machine in the hope of winning its 10,000 pound jackpot. S10 Ep75

Cheltenham: Home renovation series. The team are in Cheltenham, Gloucestershire, to help 17-year-old disabled athlete Scott Jones achieve his dream of going to Tokyo 2020. S27 Ep3

Derby: The DIY SOS team and hundreds of volunteers build an amazing extension and a beautifully landscaped garden for Rachel and Andy Smith and their family. S27 Ep4

Eckington: Nick Knowles, Laurence Llewelyn-Bowen and hundreds of volunteer builders help a 17-year-old girl whose Ehlers-Danlos syndrome has left her trapped in hospital. S27 Ep5

Ben Shephard hosts the quiz show in which four players take on an extraordinary machine in the hope of winning its 10,000 pound jackpot. S10 Ep73

Ben Shephard hosts the quiz show in which four players take on an extraordinary machine in the hope of winning its 10,000 pound jackpot. S10 Ep74

Ben Shephard hosts the quiz show in which four players take on an extraordinary machine in the hope of winning its 10,000 pound jackpot. S10 Ep75

Popular property renovation series hosted by Drew Scott and Jonathan Scott. Lana and Jacob are ready to move from a tiny one bedroom apartment into their first house. S2 Ep20

Another property transformation courtesy of Drew Scott and Jonathan Scott. Fresh out of a six-year relationship, Amber is determined to move on and buy a new house. S2 Ep21

Cheltenham: Home renovation series. The team are in Cheltenham, Gloucestershire, to help 17-year-old disabled athlete Scott Jones achieve his dream of going to Tokyo 2020. S27 Ep3

The top three teams gather at a picturesque mansion to cook their final three-course meal for a panel of judges, and it's a winner-take-all affair in an epic ending. S4 Ep15

The paramedics treat a woman whose legs have dramatically swollen, a girl having panic attacks, and a very ill and unconscious man. S9 Ep9

A woman plunges 10ft through the floorboards of her Sheffield home in a freak accident, and the HART team launch a major rescue operation to save her. S5 Ep1

There's a major rescue operation on the M1 after a car towing a caravan rolls over and hits a lamp post - trapping the driver. A teacher out on his mountain bike suffers a brain injury. S5 Ep2