First broadcast: on BBC HDLatest broadcast: on BBC One Wales
Four months after the BP oil spill, Stephen Fry returns to America's Deep South together with zoologist Mark Carwardine, to see what the impact has been. Show more
First broadcast: on BBC FourLatest broadcast: on BBC Four
Available for years
The story of Timbuktu and its legacy of ancient manuscripts, proof that reading and writing books have been as important to Africans as to Europeans. Show more
First broadcast: on BBC One WalesLatest broadcast: on BBC Four
Documentary revealing the contents of hellraising Welsh actor Richard Burton's diaries, providing a unique opportunity to reassess the man behind the myth. Show more