First broadcast: on BBC Two EnglandLatest broadcast: on BBC Two Scotland
Dr Iain Stewart investigates the counter-attack by global warming sceptics in the 1990s. At the Rio Earth Summit it seemed the world was united - but it didn't last. Show more
First broadcast: on BBC Two ScotlandLatest broadcast: on BBC One Wales
The story of the Battle of Quebec. Dan Snow sets sail up the magnificent St Lawrence River following the route taken by the British before they faced the French in September 1759. Show more
First broadcast: on BBC Four HDLatest broadcast: on BBC Four HD
Dr Michael Mosley explores the bizarre and fascinating world of parasites by turning his body into a living laboratory and deliberately infesting himself with them. Show more