Everyone has an opinion on bad cars. Now it's time to hear the ones that really count - ours. We're out to name and shame the most rubbish car from a manufacturer which, frankly, should have known better. And we have a special, surprise fate in store for the car we pick as our biggest loser. In this Top Gear special episode, Jeremy Clarkson and James May try to look for the worst car of all time and the criteria was that the car had to be 'terrible, but not cheap' and made by 'a manufacturer that should have known better'.

A new age of space exploration is dawning. But surprisingly, some of the boldest efforts at putting humans into space are now those of private companies started by a handful of maverick billionaire businessmen. In this film, Brian Cox gains exclusive access behind the scenes at Virgin Galactic, Blue Origin and Spaceport America, exploring what is really happening in privately financed space flight right now.

Dr. Thomas Asbridge introduces the epic story of the Crusades – a tale of religious fanaticism and unspeakable brutality, of medieval knights and Jihadi warriors; of castles and kings; of heroism, betrayal, and sacrifice. He explains how, using fresh evidence, eye-witness testimonies and contemporary accounts – from both the Christian and Islamic worlds – we are able to re-examine this epic medieval drama, and how he has retraced the steps of the Crusaders from a small town in France to the magnificent cities of the Holy Land, bringing to life the human experience of the Crusades, and shedding new light on how it was that two of the world’s great religions waged war in the name of God.

Could we get all our energy needs from sea water and the salt it contains? Are we to witness a time when salt will power our engines and factories, and light up our cities? Could this be the final curtain not only for shale gas and oil, but also the burning of fossil fuels and the beginning of a gentler form of energy that is definitely renewable? This documentary explores the latest research on sea water and the way scientists all over the world are working on 'Blue Energy'. This research could bring about a major change in our time.

A documentary feature on the explosive narco culture, a phenomenon blurring the lines between war and entertainment. To a growing number of Mexicans and Latinos in the Americas, the Narco Traffickers represent the only models of fame and success, the only way out of the ghetto. This is the untold story behind the drug war, an unstoppable cycle that has created a culture of addiction on both sides of the border — addiction to the vanity of money, drugs and violence. These are the personal stories of those entangled in this war, from the musicians who profit by glorifying violence, to the man who collects the bodies the morning after.

An extraordinary journey to the top of the world, the documentary adventure tells the ultimate tale of survival. The film takes audiences on a never-before-experienced journey into the lives of a mother polar bear and her twin seven-month-old cubs as they navigate the changing Arctic wilderness they call home. Captivating, adventurous and intimate footage brings moviegoers up close and personal with this family's struggle to survive in a frigid environment of melting ice, immense glaciers, spectacular waterfalls, and majestic snow-bound peaks.