1. New England
New England is the stage for an incredible autumnal colour change.
First shown: 5 Feb 2016
Alice Roberts enters a spider-filled house to find out about these eight-legged creatures.
First shown: 29 Oct 2014
Professor Iain Stewart shows how control over water has been central to human existence.
First shown: 26 Jan 2010
Click tries out the world's tiniest printer and checks out high-tech home security.
First shown: 6 Feb 2016
2014-2015: 2. Honey Badgers: Masters of Mayhem...
Is the honey badger the world's most aggressive animal?...
2013-2014: 2. Giant Squid: Filming the Impossible - Natural World Special...
Scientists achieve a world first, finding and filming the impossible - a giant squid....
2011-2012: 5. The Woman Who Swims with Killer Whales...
Dr Ingrid Visser investigates why there has been an unusual number of whale deaths....
2010-2011: 4. The Himalayas
Documentary looking at the variety of wild animals inhabiting the Himalayas....
2007-2008: 5. White Falcon, White Wolf
A pair of gyrfalcons and a pack of Arctic wolves are struggling to raise their young....
Is the honey badger the world's most aggressive animal?
First shown: 18 Apr 2014
Scientists achieve a world first, finding and filming the impossible - a giant squid.
First shown: 13 Jul 2013
Dr Ingrid Visser investigates why there has been an unusual number of whale deaths.
First shown: 31 Aug 2011
2010-2011: 9. What Is Reality?
Are we are part of a cosmic hologram? Do we exist in an infinity of parallel worlds?
First shown: 17 Jan 2011
3. Madeira: Island Ark
A look at what happens to a volcanic island as it nears the end of its life-cycle.
First shown: 1 Feb 2016
The story of the discovery in Argentina of the largest animal to ever walk the Earth.
First shown: 24 Jan 2016
Will Millard tells the story of the River Taff.
BBC Four | Collection
The Brain with David Eagleman
1. What Is Reality?
2. What Makes Me?
3. Who Is in Control?
Exploring how the brain conjures up the world we all take for granted.
First shown: 21 Jan 2016
How the brain gives rise to thoughts, emotions, memories and personality.
First shown: 28 Jan 2016
How almost every action we take is driven by parts of the brain we have no access to.
First shown: 4 Feb 2016
How have the curious minds of orangutans and crows helped them become so inventive?
Click looks at the possibilities of gadgets that biodegrade for use inside the body.
First shown: 30 Jan 2016
How 19th-century countess Ada Lovelace helped give rise to the modern era of computing.
First shown: 17 Sep 2015
1. Deep Earth
How the forces of the deep Earth played a role in the development of human civilisation.
First shown: 19 Jan 2010
Chris explores the mysteries behind a glacier that bleeds red.
First shown: 8 Oct 2015
The team meet the people who bore the brunt of this winter's extreme flooding.
David Attenborough uncovers the ways in which scientists are trying to preserve the reef.
First shown: 13 Jan 2016
The bodies of some animals stretch and shrink in extraordinary ways.