The latest weather forecast.

Two sisters, Blanche and `Baby Jane' Hudson are ageing former movie stars who live together in a decaying Hollywood mansion. When the last of their domestic staff is finally dismissed, Blanche is left at the mercy of the alcoholic, increasingly demented and sadistic Jane.

It's 1982, and KGB spy Oleg Gordievsky travels to take up a post at the Soviet embassy in London. The spying game and paranoia magnify the suspicion between superpowers, and an arms race threatens to bring the world to nuclear Armageddon.

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.

A preview of upcoming programmes from BBC Two.

A riverside period house alongside a riverside path in historic Canterbury is modernised for a family, and a grandfather transforms a flat in Brighton to be nearer to his grandchildren. Work also gets under way to transform a house in need of TLC in Ashton-under-Lyne.

The team face one of their biggest challenges ever in Witney, Oxfordshire. Amy and Chris's garden sits at the bottom of a steep bank and is shaded by a mass of trees. Charlie and Chris both come up with woodland-inspired designs to tackle it, but before anything pretty can be done, the landscapers have to secure the sloping bank and level the lower part.

Lincolnshire is a county of farming innovation, where Rick meets inventor James Dyson, who allows him special access to his farm of the future. Here, strawberries, tended by robots, are grown all year round.

Knockout Week draws to a close as the week's best cooks return to compete for a place in the semi-finals. This is the sharp end of the competition, so it will take bags of self-belief and some perfect plates to get there.

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.

The specialist subjects are the saxophone, Margaret Thatcher, Buffy the Vampire Slayer and venomous snakes of Africa.

Michael Portillo's Scottish coastal railway journey reaches Invergordon on the Cromarty Firth, the third great inlet on the northeast coast of the Highlands. Michael's next stop is Fearn, from which he heads to the mudflats and saltmarsh of Nigg Bay and its Global Energy Park. On the shore of the Dornoch Firth, Michael helps to reintroduce his favourite delicacy to the firth's shallow waters. Oysters were plentiful in this region for thousands of years.

David Attenborough investigates two shells that have proved to be winners in evolution, the bird's shell and the hard shell of the tortoise. The ostrich egg is so strong it is possible for a person to stand on it without it breaking.

One family, 37 faces: from the Arctic wolf to the talkative dhole, the tiny fennec fox to the long-legged maned wolf, this is the definitive celebration of dogs in the wild.

Gregg sees how Ocado are using robots to revolutionise online delivery, and visits a state-of-the-art Norfolk farm supplying 300 million lettuces a year exactly when people want them. Also, Nikki tests out the Co-op's new pay-in-the-aisle technology.

The team are at Dover Castle in Kent. Antique experts James Lewis and Catherine Southon search for items to take off to auction. James unearths a silver owl inkwell and Catherine discovers an alabaster bust. Paul Martin delves into the history of the English Channel.

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.

In Provence, the markets and shops are awash with an extraordinary array of fresh fruit, all locally produced. It's got Marcus thinking, so he sets out to see whether the French also have a passion for retro recipes.

Archaeology in the South of England unearths Britain's oldest shoe, the lost shipyard of one of England's greatest warrior kings and Britain's top-secret WWII defences.

In her old neighbourhood of Notting Hill, in West London, Andi Oliver revisits her past with her daughter Miquita to create her most fabulous feast yet, celebrating those doing incredible work to uplift the community.

With Gordievsky's help, Britain identifies Mikhail Gorbachev as a possible new contender for Soviet leader. He could be the ticket to better relations between East and West. However, fragile steps towards diplomacy are threatened by vested interests.

Blake saves a man from leaping to his death from a bridge. Soaked through and in need of a hot drink, the poor guy probably just needs someone to talk to. Blake is a qualified psychotherapist, so that's good.

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

The latest weather forecast.

John Simpson brings his expertise to bear on the most important stories. In discussion with the BBC's range of experts across the world, he uses their unique local knowledge to go beyond the headlines to get to the unspun truth about the world.

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.

Another cohort of daring entrepreneurs step into the Den. They include a London-based entrepreneur with a quick way to get a manicure, a dad who champions inclusivity in children's literature, and a father and daughter with a drink for dogs.

The pair begin their journey in Venice - coming face-to-face with one of the largest paintings on canvas in the world, Tintoretto's Il Paradiso. They also discover the artistic legacy of Canaletto before heading to Murano.

Friends and fellow tinkerers Sir David Jason and Jay Blades are at the Midlands Air Festival, where they hope to meet and help passionate tinkerers and crafters. Plus, at the Midlands Air Museum, the duo meet a true tinkerer who works on aircraft.

A preview of upcoming programmes from BBC Two.

Charlie Ross takes a trip to Knaresborough in North Yorkshire to explore the mysterious Mother Shipton's Cave, uncovering stories of a legendary prophetess and a well that turns everything it touches to stone! In Wetherby, two teams shop for bargains at an antiques fair guided by experts Izzie Balmer and David Harper. In red, it's friends Suzie and Rowan and in blue it's sisters-in-law Pauline and Pauline. With 60 minutes on the clock, the Paulines pick up a pith helmet but decide to march on.

Kirsty and Daniel have spent the last three years renovating their 1800s farmhouse. Now, they're eager to revive the neglected garden with the same tender loving care that they have put into the interior.

Gardeners' World comes from the first big flower show of the season: the RHS Malvern Spring Festival. Arit Anderson and Joe Swift discover the newest varieties of plants and flowers that are hot off the potting bench.

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.

The subjects are the fauna of the Galapagos Islands, The Mighty Boosh, UEFA Champions League finals and Catherine de' Medici.

Michael Portillo's coastal railway journey takes him past lochs and castles on the Far North Line to Britain's northernmost railway station at Thurso. From Lairg on the banks of Loch Shin, Michael heads for a secret conservation area in the 18-mile-long loch to track down one of Scotland's most elusive and endangered species, the freshwater pearl mussel. A glorious journey along the valley of the River Fleet delivers Michael to Dunrobin Castle station.

The Siamese fighting fish is so aggressive it will fight its own reflection until it is exhausted. Recent research shows that the fighting behaviour varies and depends on the personality of the fish. Male kangaroos were once pitted against humans in the boxing ring, the most impressive male kangaroos are solid blocks of muscle with a kick that can kill. Why do they fight and what skills must a winner have?

The secrets of canid success and their incredible strategies for survival, from leaping jackals to sneezing African wild dogs, and gray foxes that climb trees.

The supermarkets know that people do not show much allegiance to them anymore, so are all batting to find ways to keep customers coming back. Gregg visits a farm which claims to be using tech to produce low-cost, healthier chickens.

The show comes from the Blickling estate in north Norfolk. Five antiques experts are on hand to find a selection of objects to take to auction. David Harper is excited by a Rolex oyster watch, and Paul Martin learns more about Lord Lothian.

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 wants to give the French a run for their money with a new take on Britain's most popular Sunday lunch: roast chicken. But first, he needs the perfect poulet, so he visits local farmer Alex to check out the local poultry.

Digs in the West of Britain reveal a forgotten fortress teetering on the edge of a cliff, evidence of the oldest house in Cardiff and a discovery at a Roman mosaic that shocks the experts.

On 23 March 2021, the Ever Given, one of the largest container ships ever built, ploughed into the sandy bank of the Suez Canal, blocking the entire waterway. It stopped all traffic in one of the most important shipping lanes in the world for almost a week, causing a `ship jam' of over 300 vessels and delaying deliveries of billions of pounds of vital food, fuel and medical supplies. The disruption to the global supply chain lasted for months.

Terry and Gemma take a detour on the way to their wedding in order to solve a mystery at a therapy retreat. Once there, they find a pair of camp leaders with some odd ideas about therapy and get into an ordeal that challenges their own relationship.

Desiree Burch introduces stand up stars Paul McCaffrey and Jonny Pelham to the stage.