1. Secret Tunnel Warfare
Aired: Sep 16, 2015 To avoid trampling historical "World War I trench warfare tunnels" in Belgium...
2. Life's Rocky Start
Aired: Sep 23, 2015 Mineralogist Robert Hazen explores the role that rocks may have played in the...
3. Mystery Beneath the Ice
Aired: Oct 7, 2015 What happened to a quarter quadrillion krill and what does it mean for some o...
4. Himalayan Megaquake
Aired: Oct 14, 2015 The earthquake that rocked Nepal in April 2015 is examined. Included: why it ...
5. Creatures of Light
Aired: Oct 28, 2015 Deep-sea scientists study the undersea world of creatures that flash, sparkle...
6. Memory Hackers
Aired: Nov 4, 2015 An examination of how memory works. Included: research being done by neurosci...
7. Iceman Reborn
Aired: Nov 11, 2015 Murdered more than 5,000 years ago, Otzi the Iceman is the oldest human mummy...
8. Rise of the Robots
Aired: Nov 18, 2015 Machines with human-like capabilities have long been the stuff of science fic...
9. Vikings Unearthed
Aired: Nov 25, 2015 They were pioneering warriors, expert seafarers, and colonists of the North A...
10. Can Alzheimer's Be Stopped?
Aired: Jan 6, 2016 The work of scientists to determine the cause of Alzheimer's disease is detai...
11. Wild Ways
Aired: Jan 13, 2016 From Yellowstone to the Yukon, to Southern Africa's elephant highways stretch...
12. Operation Lighthouse Rescue
Aired: Jan 20, 2016 Engineers work to save historic Gay Head Lighthouse on Martha's Vineyard, whi...
13. Bombing Hitler's Supergun
Aired: Jan 27, 2016 Historians and engineers investigate how Allied forces conspired to destroy H...
14. 15 Years of Terror
Aired: Feb 3, 2016 Investigate the psychology of a terrorist and examine how radical organizatio...
15. School of the Future
Aired: Feb 10, 2016 How the science of learning may change education for all children.
16. Great Human Odyssey
Aired: Feb 17, 2016 Scientists are using archaeological and cultural findings to map humans' exod...
17. Super Tunnel
Aired: Feb 24, 2016 Follow an army of engineers and designers as they tackle the complex challeng...
18. Treasures of the Earth: Gems
Aired: Apr 6, 2016 This program explains the formation, chemistry, variations and allure of the ...
19. Treasures of the Earth: Metals
Aired: Apr 13, 2016 History's most important metals and how they advanced civilization.
20. Treasures of the Earth: Power
Aired: Apr 20, 2016 An examination of fossil fuels. Included: modern-day oil prospecting in Calif...
21. Operation Lighthouse Rescue
Aired: May 4, 2016 Engineers work to save historic Gay Head Lighthouse on Martha's Vineyard, whi...
22. Bombing Hitler's Supergun
Aired: May 11, 2016 Historians and engineers investigate how Allied forces conspired to destroy H...