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
Hermione Cockburn leads a team of fossil experts around London, where they visit the home of David Attenborough to view his private fossil collection. Show more
