S43 E1: Dawn of Humanity

S43 E2: Arctic Ghost Ship

S43 E3: Secrets of Noah's Ark

S43 E4: Cyberwar Threat

S43 E5: Animal Mummies

S43 E6: Making North America: Origins

S43 E7: Making North America: Life

S43 E8: Making North America: Human

S43 E9: Inside Einstein's Mind

S43 E10: Secret Tunnel Warfare

S43 E11: Life's Rocky Start

S43 E12: Mystery Beneath the Ice

S43 E13: Himalayan Megaquake

S43 E14: Creatures of Light

S43 E15: Memory Hackers

S43 E16: Iceman Reborn

S43 E17: Rise of the Robots

S43 E18: Vikings Unearthed

S43 E19: Can Alzheimer's Be Stopped?

S43 E20: Wild Ways

S43 E21: Operation Lighthouse Rescue

S43 E22: Bombing Hitler's Supergun