Series 2: 1. Moyo & Robin
Lucy Cooke and Patrick Aryee meet orphaned animals in Zimbabwe and Costa Rica.
First shown: 7 Feb 2016
A history of celebrated nightclub Annabel's, playground for the rich and famous.
First shown: 6 Feb 2016
Series 1: 3. Crisis Stage
A law student fights for the lives of two of the youngest killers facing execution.
First shown: 31 Mar 2014
2015-2016: 15. The Toughest Horse Race in the World: Palio
The race which turns Siena into a battleground of strategy, intrigue and machismo.
Michael Wood joins the Qin family reunion as they gather to worship their ancestors....
2. Silk Roads and China Ships
Michael Wood looks at China's first great international age under the Tang Dynasty....
3. The Golden Age
Michael Wood looks at the Song dynasty era, including its art, inventions and cuisine....
Michael Wood joins the Qin family reunion as they gather to worship their ancestors.
First shown: 21 Jan 2016
Michael Wood looks at China's first great international age under the Tang Dynasty.
First shown: 28 Jan 2016
Michael Wood looks at the Song dynasty era, including its art, inventions and cuisine.
First shown: 4 Feb 2016
Series 2: Episode 3
James discovers what happened to the cars of the future that we were promised.
1. New England
New England is the stage for an incredible autumnal colour change.
First shown: 5 Feb 2016
Reporter Ricky Boleto investigates the world of cyberbullying.
First shown: 11 Feb 2014
Documentary made with rare video footage of Guns N' Roses in their formative years.
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.
How the brain gives rise to thoughts, emotions, memories and personality.
How almost every action we take is driven by parts of the brain we have no access to.
The start of Simon Reeve's journey takes him from the islands of the Aegean to Athens.
A portrait of the man behind Inspector Montalbano, the Italian novelist Andrea Camilleri.
Film which blows open the debate on what is acceptable to post online.
First shown: 27 Jan 2016
Chris Packham and Liz Bonnin battle it out to find an answer to the burning question.
5. Poughkeepsie to Albany
Michael Portillo visits an all-female university, alma mater of Meryl Streep....
4. New York City to Garrison
Michael follows America's mighty Hudson River north....
3. Brooklyn to Montauk
Michael learns the incredible story behind the world's first steel suspension bridge....
2. Manhattan: Lower East Side to World Trade Center...
Michael Portillo narrowly avoids a scrap with an historic gang of New York....
1. Manhattan: Grand Central to Broadway
Michael Portillo boards the Manhattan subway system, the US's busiest rail transit system....
Michael Portillo visits an all-female university, alma mater of Meryl Streep.
Michael follows America's mighty Hudson River north.
Michael learns the incredible story behind the world's first steel suspension bridge.
First shown: 3 Feb 2016
2015-2016: 14. A Death Row Tale: The Fear of 13
A convicted murderer on death row petitions the court asking to be executed.
First shown: 31 Jan 2016
Libya: The Hunt For The Golden Gun
Gabriel Gatehouse returns to Libya to find the men who seized Gaddafi's golden gun.