BBC four

An insightful series that features a plethora of international documentaries dealing with a variety of subjects.

Jamie Bartlett reveals how Silicon Valley's mission to connect the world is disrupting democracy, helping plunge us into an age of political turbulence. Many of the Tech Gods were dismayed when Donald Trump – who holds a very different worldview – won the American presidency, but did they actually help him to win? With the help of a key insider from the Trump campaign's digital operation, Jamie un

Truman Capote and Tennessee Williams – writers, celebrities and, many would say, geniuses – were catapulted to fame in the 1950s, sparking a friendship and rivalry that spanned nearly 40 years. Inextricably entwined and icons of their age, they were both creative powerhouses and gay men, who dealt with success and its evanescence in vastly different ways. Film-maker Lisa Immordino Vreeland brings

In nature, living long enough to breed is a monumental struggle. Many animals and plants go to extremes to give themselves a chance. Uniquely, three brother cheetahs band together to bring down a huge ostrich. Aerial photography reveals how bottle-nosed dolphins trap fish in a ring of mud, and time-lapse cameras show how the Venus flytrap ensnares insect victims. The strawberry frog carries a tadp

Jamie Bartlett reveals how Silicon Valley's mission to connect the world is disrupting democracy, helping plunge us into an age of political turbulence. Many of the Tech Gods were dismayed when Donald Trump – who holds a very different worldview – won the American presidency, but did they actually help him to win? With the help of a key insider from the Trump campaign's digital operation, Jamie un

Reptiles and amphibians look like hang-overs from the past. But they overcome their shortcomings through amazing innovation. The pebble toad turns into a rubber ball to roll and bounce from its enemies. Extreme slow-motion shows how a Jesus Christ lizard runs on water, and how a chameleon fires an extendible tongue at its prey with unfailing accuracy. The camera dives with a Niuean sea snake, whic

Jeremy Clarkson tells the dramatic story of the Arctic convoys of the Second World War, from Russia to the freezing Arctic Ocean. Accompanied by moving first hand testimony from the men who served on these convoys, Clarkson reveals the incredible hazards faced by members of the Merchant and Royal Navy who delivered vital war supplies via the Arctic to the Soviet Union: temperatures of minus 50 deg

A great maritime mystery lies deep beneath the waters of the Channel Islands. On the morning of 19 February 1917, German submarine UC-18 opened fire on Royal Navy Q-ship the Lady Olive. As the U-boat drew near to assess the damage it had inflicted, the Lady Olive counter-attacked. Both vessels were said to have sunk. For decades, divers and historians have searched to discover their fate and under

Philip Glenister fires up the Cortina GXL one more time and takes a trip back in time to reflect on the hugely popular 1970s-set drama series Life on Mars, with writer and creator Matthew Graham joining him for the ride. Together, they discuss the challenges of recreating the 70s, analyse why Life on Mars seemed to grab the public's imagination from the very beginning, and share their memories of

Drama series about Sam Tyler, a Manchester detective who suffers a near-fatal car crash and wakes up in what seems to be 1973. Unsure whether he's in a coma, has really time-travelled or has just gone mad, Tyler's 21st-century attitudes make him a fish out of water in this world of clunky technology and old-fashioned policing. Then he discovers a connection between a murder in 1973 and the 2006 ki

This is the David Bowie story you don't know: the story of how David Robert Jones became David Bowie, how David Bowie became Ziggy Stardust and how Ziggy became immortal, changing the musical landscape as he did so. The story that finally makes sense of one of the greatest icons of the 20th and 21st centuries. Part three of Francis Whately's Bowie trilogy.

Reptiles and amphibians look like hang-overs from the past. But they overcome their shortcomings through amazing innovation. The pebble toad turns into a rubber ball to roll and bounce from its enemies. Extreme slow-motion shows how a Jesus Christ lizard runs on water, and how a chameleon fires an extendible tongue at its prey with unfailing accuracy. The camera dives with a Niuean sea snake, whic

Jeremy Clarkson tells the dramatic story of the Arctic convoys of the Second World War, from Russia to the freezing Arctic Ocean. Accompanied by moving first hand testimony from the men who served on these convoys, Clarkson reveals the incredible hazards faced by members of the Merchant and Royal Navy who delivered vital war supplies via the Arctic to the Soviet Union: temperatures of minus 50 deg

The hidden wonders of India's spectacular natural world are revealed by wildlife expert Liz Bonnin, actress Freida Pinto and mountaineer Jon Gupta. Experience a village of birds, masks that come alive, the world's greatest mountain range and baby turtles erupting out of the sand. This is truly a land like no other. Moderation: Liz Bonnin, Jon Gupta, Freida Pinto.

Mammals dominate the planet. They do it through having warm blood and by the care they lavish on their young. Weeks of filming in the bitter Antarctic winter reveal how a mother Weddell seal wears her teeth down keeping open a hole in the ice so she can catch fish for her pup. A powered hot air balloon produces stunning images of millions of migrating bats as they converge on fruiting trees in Zam

Profile drawn from Elizabeth Taylor's visit to Britain in 2000, during which she received her damehood from the Queen. Hollywood's last great star talks for the first time in years about her career, her life and the challenges of the future. From her early days as a child star in Lassie Come Home and National Velvet to becoming the century's biggest star of all – in Cleopatra – her life, her loves

Melodrama adapted from the Tennessee Williams play, with Elizabeth Taylor and Paul Newman.

An examination of the life of actor Paul Newman, using rarely seen interviews from the BBC archives to tell the story of a career that made him one of Hollywood's greatest superstars. Narrated by Sylvia Syms.

Sylvia Syms looks at the handsome heroes and gorgeous heroines, pin-ups and bombshells who came to be known as cinema's greatest sex symbols. They were the actors who made audiences' hearts beat fastest – the men and women whom the camera just seemed to love that little bit more than most. The programme hears from the stars themselves talking about what their sex symbol status meant to them, and t

This is the David Bowie story you don't know: the story of how David Robert Jones became David Bowie, how David Bowie became Ziggy Stardust and how Ziggy became immortal, changing the musical landscape as he did so. The story that finally makes sense of one of the greatest icons of the 20th and 21st centuries. Part three of Francis Whately's Bowie trilogy.