5/13 Steve Backshall reveals the secret to the existence of the world's largest inland delta. (R)
2/3 Richard discovers how the Cape vulture has inspired a flying submarine. (R)
BBC One except Northern Ireland, Northern Ireland HD, Scotland, Wales
David Attenborough recounts his personal experiences with the mountain gorillas of Rwanda. (R)
David Attenborough returns to the island of Madagascar on a very personal quest. (R)
2/6 Colin MacLeod explores Glencoe and walks the spectacular Aonach Eagach ridge. (R)
5/10 A look at the advances in technology during the 1960s, from washing machines to computers.
5/6 Dara O Briain and his team of experts take a weird and wonderful look at the brain.
Matt Baker and Julia Bradbury explore Somerset's countryside and coastline.
BBC One Northern Ireland, Northern Ireland HD only
5/10 A look at the advances in technology during the 1960s, from washing machines to computers. (R)
Wednesday 5 December 2012