4/4 Hugh Dennis and Julia Bradbury are in the Highlands of Scotland. (R)
1/4 The amazing web of life centred on the Brazil nut tree is revealed. (R)
1/6 Aubrey Manning investigates why so much woodland has survived on the Weald. (R)
3/6 Stefan challenges John Torode and Lisa Faulkner to make rival 'wheaty breakfast bricks'.
BBC One except Wales
3/9 A look at the unique culture that grew up in the Clyde shipyards. (R)
1/4 Kate Humble and Iain Stewart present from Kilauea, the world's most active volcano.
1/3 Wildlife cameraman Gordon Buchanan discovers the nest of the world's smallest parrot. (R)
1/8 Local celebrities explore Northern Ireland's natural world.
BBC One Northern Ireland only
1/6 The team investigates just what it means to be an island people. (R)
BBC One except Scotland, Wales
BBC One Scotland only
Tuesday 10 July 2012