43x11: Life's Rocky Start
43x10: Secret Tunnel Warfare
43x09: Inside Einstein's Mind
43x08: Making North America: Human
43x07: Making North America: Life
43x05: Animal Mummies
43x04: Cyberwar Threat
43x03: Secrets of Noah's Ark
43x02: Arctic Ghost Ship
43x01: Dawn of Humanity
42x22: Nuclear Meltdown Disaster
42x21: Chasing Pluto
42x20: Lethal Seas
42x19: Nazi Attack on America
42x18: Invisible Universe Revealed
42x17: The Great Math Mystery
42x15: Petra: Lost City of Stone
42x14: Colosseum: Roman Death Trap
42x13: Sinkholes—Buried Alive
42x12: Sunken Ship Rescue
42x11: Big Bang Machine
