3/8 Local celebrities explore Northern Ireland's natural world.
BBC One Northern Ireland, Northern Ireland HD only
1/6 The team starts in London and then explores the curious coast of Belgium. (R)
BBC Two England only
Martin Hughes-Games, Chris Packham and Michaela Strachan answer viewers' questions.
BBC Two England, Scotland only
BBC Two Northern Ireland only
BBC Two Wales only
Saturday 3 November 2012