3/8 Local celebrities explore Northern Ireland's natural world.
BBC One Northern Ireland, Northern Ireland HD only
The Countryfile team explore Anglesey, Wales's largest island. (R)
BBC One except Northern Ireland, Northern Ireland HD
4/15 Scientists are uncovering a bizarre and alien world that lies 4,000 miles beneath our feet (R)
1/6 The team starts in London and then explores the curious coast of Belgium. (R)
BBC Two England only
4/4 Chris Packham and Michaela Strachan look ahead to the challenges of winter.
BBC Two England, Scotland only
BBC Two Northern Ireland only
Martin Hughes-Games, Chris Packham and Michaela Strachan answer viewers' questions.
BBC Two Wales only
The tech show reports on next week's US elections.
BBC News Channel
Guide to the latest gadgets, websites, games and computer industry news.
Saturday 3 November 2012