Season 4
Episodes
1 The Skelligs of Ireland Dec 28, 2007 
2 Venetian Canals Sep 8, 2008 
3 Japanese Garden Sep 9, 2008 
4 High Desert Arches Sep 10, 2008 
5 Midnight Sun of Svalbard Sep 11, 2008 
6 Vancouver Inside Passage Sep 12, 2008 
7 Great Barrier Reef Jan 20, 2009 
8 Haleakala Crater Jan 21, 2009 
9 Society Island Sunrise Jan 22, 2009 
10 New Zealand Frost Jan 23, 2009