10.0
2012
 Wildest Arctic (2012)
Wildest Arctic (2012)
1.5
2017
 Wild Alaska Live (2017)
Wild Alaska Live (2017)
6.4
2016
 Continent 7: Antarctica (2016)
Continent 7: Antarctica (2016)
8.1
2008
 Wild Russia (2008)
Wild Russia (2008)