Season 43 aired between 16 Sep 2015 and 11 May 2016, 22 episodes.
Episodes
E01
Dawn of Humanity
16 Sep 2015
E02
Arctic Ghost Ship
23 Sep 2015
E03
Secrets of Noah's Ark
07 Oct 2015
E04
Cyberwar Threat
14 Oct 2015
E05
Animal Mummies
28 Oct 2015
E06
Making North America: Origins
04 Nov 2015
E07
Making North America: Life
11 Nov 2015
E08
Making North America: Human
18 Nov 2015
E09
Inside Einstein's Mind
25 Nov 2015
E10
Secret Tunnel Warfare
06 Jan 2016
E11
Life's Rocky Start
13 Jan 2016
E12
Mystery Beneath the Ice
20 Jan 2016
E13
Himalayan Megaquake
27 Jan 2016
E14
Creatures of Light
03 Feb 2016
E15
Memory Hackers
10 Feb 2016
E16
Iceman Reborn
17 Feb 2016
E17
Rise of the Robots
24 Feb 2016
E18
Vikings Unearthed
06 Apr 2016
E19
Can Alzheimer's Be Stopped?
13 Apr 2016
E20
Wild Ways
20 Apr 2016
E21
Operation Lighthouse Rescue
04 May 2016
E22
Bombing Hitler's Supergun
11 May 2016