41 - 1Ground Zero Supertower Sep. 11, 2013- 41 - 2Megastorm Aftermath Oct. 09, 2013
- 41 - 3Making Stuff Faster Oct. 16, 2013
- 41 - 4Making Stuff Wilder Oct. 23, 2013
- 41 - 5Making Stuff Colder Oct. 30, 2013
- 41 - 6Making Stuff Safer Nov. 06, 2013
- 41 - 7Cold Case JFK Nov. 13, 2013
- 41 - 8At the Edge of Space Nov. 20, 2013
- 41 - 9Asteroid: Doomsday or Payday? Nov. 20, 2013
- 41 - 10Alien Planets Revealed Jan. 08, 2014
- 41 - 11Zeppelin Terror Attack Jan. 15, 2014
- 41 - 12Killer Typhoon Jan. 22, 2014
- 41 - 13Ghosts of Murdered Kings Jan. 29, 2014
- 41 - 14Roman Catacomb Mystery Feb. 05, 2014
- 41 - 15Great Cathedral Mystery Feb. 12, 2014
- 41 - 16Wild Predator Invasion Apr. 02, 2014
- 41 - 17Inside Animal Minds: Bird Genius Apr. 09, 2014
- 41 - 18Inside Animal Minds: Dogs & Super Senses Apr. 16, 2014
- 41 - 19Inside Animal Minds: Who's the Smartest? Apr. 23, 2014
- 41 - 20Why Sharks Attack May. 07, 2014
- 41 - 21Escape From Nazi Alcatraz May. 14, 2014
- 41 - 22D-Day's Sunken Secrets May. 28, 2014
