Closure

We get to know a few inhabitants of central European rivers.

The first half is a salute to John Wesley Powell, the first man to explore the Colorado River. Walt Disney presents a behind-the-scenes look at the filming of Ten Who Dared on the same waters. Then the True-Life Adventure Featurette: Bear Country is shown.

In the most brutal migration on the planet, ride shotgun with ZuluEchoFive and FoxtrotOne, a zebra mother and her son. They run the gauntlet through crocodile infested rivers and lion offensives, culminating in the world's ultimate ambush: the Mara River - where the biggest crocodiles in Africa are on the attack.

1960s Chicago, a baby is kidnapped from a hospital. Fifteen months later, a toddler is abandoned. Could he be the same baby? In a tale of breathtaking twists and turns, two mysteries begin to unravel and dark family secrets are revealed.

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In the cobalt mining areas of Katanga in the Democratic Republic of the Congo (DRC), babies are being born with horrific birth defects. Scientists and doctors are finding increasing evidence of environmental pollution from industrial mining which, they believe, may be the cause of a range of malformations from cleft palate to some so serious the baby is stillborn. More than 60% of the world’s reserves of cobalt are in the DRC and this mineral is essential for the production of electric car batteries, which may be the key to reducing carbon emissions and to slowing climate change. In The Cost of Cobalt we meet the doctors treating the children affected and the scientists who are measuring the pollution. Cobalt may be part of the global solution to climate change, but is it right that Congo’s next generation pay the price with their health? Many are hoping that the more the world understands their plight, the more pressure will be put on the industry here to clean up its act.

A film by Louis Aimé Augustin Le Prince, shot in late October 1888, showing pedestrians and carriages crossing Leeds Bridge.

This short film from canoeist Bill Mason illustrates the joy and poetry of paddling solo. All the basic strokes used to control the canoe are rendered with perfect clarity through animated lines. Part of 'Path of the Paddle: Quiet Water', in Bill Mason's Path of the Paddle Series.

This short film from canoeist Bill Mason explains clearly how to locate a deep water channel by reading the rapids and how to apply paddling strokes and manoeuvres to steer the canoe where you want it to go. It also depicts what happens if you "wipe out" in a turbulent rapid and shows you how to survive the swim. Part of 'Path of the Paddle: Whitewater', in Bill Mason's Path of the Paddle Series.

Poland, 1970. When popular protests erupt in the streets due to rising prices, the communist government organizes a crisis team. Soon after, the police use their truncheons and then their firearms. The story of a rebellion from the point of view of the oppressors.

Following in the footsteps of his father, Folco Felzani embarks on an epic journey on foot in search of Mustang, the last lost kingdom, in northern Nepal. The story of a king without a kingdom. The adventure of a son without a father.

River Lis runs polluted through Leiria. It's been 50 years since the first pig farm was installed in the region. Since then, people have lived with the consequences of countless crimes against the environment and a shocking lack of justice. The children that remember when the water was clean, now grandparents, share their story of resistance and fight against pollution.

Follows Martin Strel as he attempts to cover 3,375 miles of the Amazon River in what is being billed as the world's longest swim.

Gdańsk, Poland, September 1980. Lech Wałęsa and other Lenin shipyard workers found Solidarność (Solidarity), the first independent trade union behind the Iron Curtain. The long and hard battle to bring down communist dictatorship has begun.

A portrait of the life and career of Robert Downey Sr. (1936-2021), the visionary and fearless US filmmaker — father of actor Robert Downey Jr. — who in the sixties and seventies laid the foundations for countercultural comedy.

An up-close look into the life of the often misunderstood movie director Grigori Kromanov through the lens of old friends and colleagues.