Horizon

A billion miles from home, running low on fuel, and almost out of time. After 13 years traversing the Saturn system, the spacecraft Cassini is plunging to a fiery death, becoming part of the very planet it has been exploring. As it embarks on its final assignment - a one-way trip into the heart of Saturn - Horizon celebrates the incredible achievements and discoveries of a mission that has changed the way we see the solar system. Strange new worlds with gigantic ice geysers, hidden underground oceans that could harbour life and a brand new moon coalescing in Saturn's magnificent rings.

The gripping story of how one Russian internet millionaire is turning to cutting-edge science to try to unlock the secret of living forever. Dmitry Itskov recently brought together some of the world's leading neuroscientists, robot builders and consciousness researchers to try to devise a system that would allow him to escape his biological destiny. Entering Dmitry's seemingly sci-fi world, Horizon investigates the real science inspiring his bold plan to upload the human mind to a computer.

Dallas Campbell delves into the Horizon archive to discover how our understanding of intelligence has transformed over the last century. From early caveman thinkers to computers doing the thinking for us, he discovers the best ways of testing how clever we are - and enhancing it.

Dallas Campbell delves into the Horizon archive to discover how our ideas about dinosaurs have changed over the past 40 years. From realising that lumbering swamp dwellers were really agile warm blooded killers, astonishing new finds, controversial theories and breakthrough technology have enabled scientists to rethink how they lived and solve the mystery of their disappearance. And they can even reveal whether dinosaurs might still be with us today.

The oceans define the earth. They are crucial to life and we used to think that they were unique to our blue planet. But we were wrong. It has recently been discovered that there are oceans all over our solar system, and they are very similar to our own. And now scientists are going on an epic journey in search of new life in places that never seemed possible. Nasa is even planning to dive to the depths of a strange, distant ocean in a remarkable submarine. Horizon discovers that the hunt for oceans in space is marking the dawn of a new era in the search for alien life.

A new form of cancer treatment, Proton Beam Therapy, uses a particle accelerator to target tumours. But installing it in two hospitals requires a remarkable engineering project.

When Dolly the Sheep was born on July 5 1996 her arrival opened a Pandora’s Box of ethical questions. This Horizon documentary combines privileged access and never-before-seen archive to tell the story of how a tiny band of experts on a farm near Edinburgh cracked the holy grail of modern science. We hear from the scientists originally trying to develop better methods for producing genetically modified livestock, who, despite being acutely aware of the public’s suspicion into their work, eventually created the clone.

Lesley Sharp narrates the story of a landmark legal battle by a group of women aiming to uncover the truth about birth defects in the Northamptonshire town being caused by toxic waste from the steelworks that had not been disposed of safely. The case had worldwide legal and medical ramifications as it was the first time that a court had recognised a link between airborne toxins and foetal development damage. / Horizon is BBC Two's flagship 50-minute science documentary series. In September 2014 it celebrated its 50th anniversary and it continues to enjoy outstanding critical acclaim

What is it like to be young and find out you have got cancer? What you will find out in this film may surprise you. This film, narrated by actor and comedian Jack Whitehall, tells 11 inspirational stories, revealing how a range of young people have dealt with their cancer diagnosis and the treatment process. We hear, primarily in their own words, about their fears, their hopes and their experiences - affirming the view that 'the best therapist for a teenager with cancer… is another teenager with cancer.'

Horizon follows the story of Richard Gray and his remarkable recovery from a life-changing catastrophic stroke. The film shows the rarely seen journey back to recovery. Recorded by his documentary film-maker wife Fiona over four years, this film shows the hard work of recovery. Initially bed bound and unable to do anything, including speak, the initial outlook was bleak, yet occasionally small glimmers of hope emerged. Armed always with her camera, Fiona captures the moment Richard moves his fingers for the first time, and then over months she documents his struggle to relearn how to walk again.