Season 52 aired between 18 Oct 2012 and 04 Apr 2013, 15 episodes.
Episodes
E01
The Buffalo Wolves
18 Oct 2012
E02
Babies: Born to be Good?
25 Oct 2012
E03
Nuts About Squirrels
08 Nov 2012
E04
Planet Hunters
15 Nov 2012
E05
The Norse: An Arctic Mystery
22 Nov 2012
E06
Lights Out!
06 Dec 2012
E07
David Suzuki's Andean Adventure
10 Jan 2013
E08
Zapped: The Buzz About Mosquitoes
17 Jan 2013
E09
Shattered Ground
07 Feb 2013
E10
Meet the Coywolf
14 Feb 2013
E11
The Fruit Hunters (1): Evolution of Desire
21 Feb 2013
E12
The Fruit Hunters (2): Defenders of Diversity
28 Feb 2013
E13
Billion Dollar Caribou
21 Mar 2013
E14
The Beaver Whisperers
28 Mar 2013
E15
The Beetles Are Coming
04 Apr 2013