Season 42 poster

Season 42

22 episodes September 10, 2014

Episodes

1 Vaccines Calling the Shots Sep 10, 2014 No ratings 2 Rise of the Hackers Sep 24, 2014 No ratings 3 Why Planes Vanish Oct 8, 2014 No ratings 4 Surviving Ebola Oct 8, 2014 No ratings 5 Ben Franklin's Balloons Oct 22, 2014 No ratings 6 First Air War Oct 29, 2014 No ratings 7 Bigger Than T. rex Nov 5, 2014 No ratings 8 Emperor’s Ghost Army Nov 12, 2014 No ratings 9 Killer Landslides Nov 19, 2014 No ratings 10 First Man on the Moon Dec 3, 2014 No ratings 11 Big Bang Machine Jan 14, 2015 No ratings 12 Sunken Ship Rescue Jan 21, 2015 No ratings 13 Sinkholes—Buried Alive Jan 28, 2015 No ratings 14 Colosseum: Roman Death Trap Feb 11, 2015 No ratings 15 Petra: Lost City of Stone Feb 18, 2015 No ratings 16 Hagia Sophia: Istanbul’s Ancient Mystery Feb 25, 2015 No ratings 17 The Great Math Mystery Apr 15, 2015 No ratings 18 Invisible Universe Revealed Apr 22, 2015 No ratings 19 Nazi Attack on America May 6, 2015 No ratings 20 Lethal Seas May 13, 2015 No ratings 21 Chasing Pluto Jul 15, 2015 No ratings 22 Nuclear Meltdown Disaster Jul 29, 2015 No ratings