BBC Four is currently off air and will return at 19:00
2015-2016: 10. FBI Undercover
Documentary which follows an unfolding active FBI counterterrorism sting operation.
First shown: 30 Nov 2015
An Icelandic fisherman survives in the freezing ocean following a shipwreck.
First shown: 2012
2. It's Not Easy Being Green
Following the people behind the giant gamble that could revolutionise our energy supply.
First shown: 24 Nov 2015
Charting the devastating impact pirates had during an era of colonial expansion.