Electricity is not just something that creates heat and light, it connects the world through networks and broadcasting. After centuries of man's experiments with electricity, the final episode tells the story of how a new age of real understanding dawned - how we discovered electric fields and electromagnetic waves. Today we can hardly imagine life without electricity - it defines our era. As our understanding of it has increased so has our reliance upon it, and today we are on the brink of a new breakthrough, because if we can understand the secret of electrical superconductivity, we could once again transform the world.

Looking back on the major stories of the year - from the New Horizons mission to the most distant world we have ever visited to the release of the first-ever picture of a black hole. The team relive the highlights and uncover the latest developments.

Edgar Froese, band leader of Tangerine Dream and pioneer of electronic music, is on a lifelong mission to find the ultimate sound. His constant quest takes him and his fellow band members to worldwide success, all the way to the Hollywood studios in Los Angeles. At his death in January 2015, Edgar Froese leaves a legacy of 48 years of music history.
The film shows previously unreleased footage shot by the band leader himself: For the first time, we see the band backstage, on tour in Europe and the US, at photoshoots with Jim Rakete or on holiday at the seaside. Records and interviews with his wife Bianca Froese-Acquaye, with band members, close associates and fellow artists map the unique history of Tangerine Dream: a tribute to the musician Edgar Froese and the era of electronic music.

From the first transistor to deep learning networks, the rise of computing power over the last 50 years has been so phenomenal it's changed everything from the way we communicate to how our appliances interact. Fuelled by giant leaps forward in computer technology, the race is on. As the progress of machines continues to accelerate, so will the pace of change.

Andrew Graham-Dixon explores how Russia changed from a feudal nation of aristocratic excess to a hotbed of revolution at the beginning of the 20th century and how art moved from being a servant of the state to an agent of its destruction. From monuments that celebrate the absolutism of the tsars to the epic Russian landscape as inspiration; from the design and construction of gold and glittering palaces to the minutiae of diamond-encrusted Faberge eggs; and eventually to the stark and radical paintings of the avant-garde, the journey through Russian art history is one of extraordinary beauty and surprise.

The series heads to the very frontiers of space and science to produce the definitive history of science fiction. What if our creations turn against us? The idea of creating life has fascinated society since the earliest days of science fiction. Robots transports viewers from the first steps of Frankenstein’s monster to the threat provided by the Terminator and the world of Cyberspace. Find out how Rutger Hauer created one of the greatest speeches in all of science fiction for Blade Runner. Discover from Kenny Baker the challenge of acting in Star Wars while inside the body of R2D2, and learn how Anthony Daniels was drawn to the role of C-3PO by concept art modeled closely on the robot from the silent classic Metropolis. The creators of the original Robocop describe how its hidden depths have given it enduring appeal and William Gibson reveals the origins of his seminal novel Neuromancer. From HAL in 2001: A Space Odyssey to the Cylons of the reimagined Battlestar Galactica and the world of The Matrix, this is a journey that asks – what does it mean to be human?