Richard Sackler faces a catastrophic challenge to Purdue's bottom line, Bridget takes her fight to the FDA, Finnix reassesses his life as Betsy struggles to kick her addiction, and Rick and Randy find a bombshell piece of evidence.

Bernadine Williams is a prison warden who, over the years, has been drifting away from her husband while dutifully carrying out executions in a maximum security prison. When she strikes up a unique bond with death-row inmate Anthony Woods, a layer of emotional skin is peeled back, forcing Bernadine to confront the complex-and often contradictory-relationship between good intentions, unrequited desires, and what it means to be sanctioned to kill.

Lee is the new boss in Mount Eden. Under pressure from Canning to get results, Shane leads Tommy into danger.

Beginning at London Marylebone, the last great Victorian railway terminus to be built in the capital, Michael Portillo embarks on a post-war exploration of Britain's southern counties.

A preview of upcoming programmes from BBC Two.

Two teams browse hundreds of stalls at a huge antiques fair in the cathedral city of Exeter. On the red team, friends Ellie and Chris and their expert Ben Cooper take on old school pals Nic and Caroline, aided by Kate Bliss.

Charlie is in Fareham, Hampshire, to revisit the garden of Vanessa and Alan. Years later, the showstopping Mediterranean wonder looks more amazing than ever with stunning olive trees, old stone walls and a giant Scots pine.

The first group of eight head into battle and are immediately hit with an Invention Test. The larder has been stocked with some of the finest foods, so the only limitation will be the contestants' imaginations.

Twenty-four hours a day, the latest national and international stories as they break.

Jo Coburn and panel discuss the big issues of the day.

Contestants compete across the series, scoring points by answering questions correctly. However, they must avoid the impossible answers, otherwise they will be eliminated from the show until the next day.

Clive Myrie tests four more contenders. The subjects are James Bond villains, the life of Lord Byron, JRR Tolkien's Middle-earth and the castles of Northumberland.

Michael Portillo crosses the Culloden Viaduct aboard the Caledonian Sleeper to arrive bright and early in the coastal city of Inverness, from which he heads north on a scenic adventure to the Orkney archipelago. On boggy moorland overlooking the Moray Firth near Inverness, Michael explores the battlefield at Culloden, where Bonnie Prince Charlie's Jacobite army fought British government troops in 1746.

The giant panda gives birth to the smallest baby of any mammal and has to care for and protect it for many months. The kiwi lays one of the largest eggs in the bird world, which produces a very well developed chick. Why don't pandas give birth to more developed, robust young and why do kiwis produce a single egg that is a quarter of its body mass and almost too big to lay?

The dry season is now upon the animals of the Serengeti, the toughest of times for some but a food bonanza for others. The increasing drought turns the waterhole into a death trap for the herds, but for the lions it's a gift and Kali and her cubs are finally able to enjoy life back in the heart of the pride.

Hannah Fry visits eBay's authentication centre, where they are waging war against fake trainers. She discovers how American breakfast waffles transformed trainer soles and how an 18th-century tea set led to the use of celebrity endorsement.

The show comes from Dover Castle in Kent. Jonathan Pratt and James Lewis scour the crowd to find objects to take off to auction. Jonathan discovers an elegant Lalique figure and James finds a pristine collection of Chinese snuff bottles. Paul Martin uncovers the murderous history of Dover Castle.

Every day this week, former winners Yasmine Akram, Stephen Mangan, Ingrid Oliver and Tom Rosenthal take on a series of quiz rounds selected by the host, quiz legend Richard Osman.

Marcus is visiting a local farmers' market, where each week a local French chef impresses the crowds with a live cooking demo. However, he's been told that this time a British chef is cooking, and that chef is Marcus.

In the west of Britain, there's a rare medieval cemetery, a disappearing Mesolithic landscape, a mysterious Iron Age burial and the ruins of a Gothic masterpiece.

Fred Sirieix travels to Austria's capital Vienna in the company of food writer Rachel Khoo. Rachel's grandma is Austrian and visiting Vienna and eating here feels like coming home. Vienna has a famous reputation for its art and culture but its food scene is often overlooked. Rachel wants to prove to Fred that Viennese cuisine is vibrant and exciting and deserves international recognition.

When a mutant gene causing Alzheimer's is discovered in the Jennings family, it leads scientists on a journey to develop a cure and leaves family members with a terrible dilemma. The Jennings are the first family in the world to be diagnosed with hereditary, early onset Alzheimer's, a discovery which many think will be the key to finally unlocking a cure. But that discovery also revealed a devastating truth for the family: the hereditary gene is being passed through each generation.

Paul and Bob venture from London to the Scottish Highlands, taking a sleeper train overnight to their destination. They wake in the stunning vista of north west Scotland, where the pine forests and snow-topped mountains almost take their breath away.

Comprehensive coverage of important national and international news stories. It explains the day's developments and what is behind them.

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An exquisite gallery made of seashells needs shoring up, a priceless Rubens is saved from falling down and an ancient Egyptian obelisk is cracking up.

Fiona Bruce presents an hour of debate, with politicians, commentators and the public, in Stoke-on-Trent. On the panel: Nigel Huddleston MP, Lisa Nandy MP, the commentator Grace Blakeley, and chief executive of the PureGym chain Humphrey Cobbold.

To wrap up the lambing season, there's a trip to Adam Henson's farm in the Cotswolds to see what's next for his spring additions. As well as the lambs, Adam checks in with his Highland calves, Gloucester old spot piglets and an Exmoor pony foal.

In 2022, Sir Salman Rushdie was on a stage in Chautauqua, Pennsylvania, when a man emerged from the audience and subjected Rushdie to a 27-second knife attack. In an interview with Alan Yentob, Rushdie talks about the attack's devastating effects.

A preview of upcoming programmes from BBC Two.

It's an emotional homecoming, and a first for Jules Hudson, as he visits County Down and County Antrim for some property shopping in Northern Ireland. He's with a couple who want to relocate there after a lifetime spent in the Canadian city of Toronto. Jules also visits the region's coast to marvel at the spectacular, world-famous Giant's Causeway.

Mike and Val have always enjoyed their garden, but now Val isn't able to access it, so it's time to call in Garden Rescue. The couple would love a fragrant rose garden, and Chris and Charlie are the designers battling to win them over.

Knockout Week continues, and the second group of eight remaining amateurs return. They will need to dig into their repertoire for some killer culinary ideas, as their first task is a daunting Invention Test.

Twenty-four hours a day, the latest national and international stories as they break.

Jo Coburn and panel discuss the big issues of the day.

Contestants compete across the series, scoring points by answering questions correctly. However, they must avoid the impossible answers, otherwise they will be eliminated from the show until the next day.

Clive Myrie asks the questions, which are on the Giza necropolis, Martin Luther, the films of Paul Thomas Anderson, and `Yes Minister' and `Yes, Prime Minister'.

Beginning on the Moray Firth, Michael admires the impressive Cullen viaduct before enjoying a bowl of Cullen skink at a family-run fishmonger of 150 years' standing. Heading west along the firth, Michael reaches Forres Station and the seaside village of Findhorn, where he meets members of an eco-community founded in the 1960s. At the Findhorn Foundation, Michael discovers spiritual energy, sacred dancing and a history of very large vegetables.

Can animals count? This is question that has intrigued and fooled investigators for a long time. Just over 100 years ago, a German horse called Hans was declared a mathematical genius but all was not as it seemed. Some bamboos around the world flower exactly at the same no matter where they are. Are they counting down the years?

All around is a blackened smoking wasteland, the aftermath of the huge fire. Torrential rain brings hope and the land is reborn into a green paradise as water quenches the scorched earth. Mirroring the changes in the landscape, the cycle of death and rebirth comes to the fore as the Serengeti's elders prepare their young for adulthood and a life on their own.

Gregg joins Tesco's Head of Plant Innovation as he invents new vegan meals that he claims will taste like meat, and sees how Asda are using ingenious growing techniques to make tomatoes sweeter than strawberries.

The show comes from Hull's City Hall, East Yorkshire. Antique experts Caroline Hawley and David Harper are on hand to find a selection of objects to take to auction. Caroline uncovers a remarkable collection of suffragette postcards, and David is delighted by some Hull Daily Mail newspaper printing blocks, saved from the tip.

Every day this week, former winners Yasmine Akram, Stephen Mangan, Ingrid Oliver and Tom Rosenthal take on a series of quiz rounds selected by the host, quiz legend Richard Osman.

The baguette is an essential in France that's eaten with every meal. Baguette in hand, Marcus hits the market looking for inspiration, and it's not long before he's found a stall selling dozens of rotisserie chickens.

Alice Roberts reveals the most fascinating archaeological discoveries in the East of England: a Roman dodecahedron, the secrets of Boudicca's hill fort and Waterloo's disappearing dead.

In Porthcawl, on the South West coast of Wales, the crew receive a call about a swimmer who's been swept out to sea. Plus, the strong offshore winds at North Berwick in Scotland cause the crew to be called out to two shouts in quick succession.

Gregg Wallace gets exclusive access to a factory that builds red London buses, while Cherry Healey visits a bus windscreen factory and Ruth Goodman learns about London's earliest double-deckers.