39x16: Hunting the Elements
39x15: Cracking Your Genetic Code
39x14: Separating Twins
39x13: Ice Age Death Trap
39x12: Mystery of a Masterpiece
39x11: 3D Spies of WWII
39x10: Bombing Hitler's Dams
39x09: Deadliest Volcanoes
39x04: Iceman Murder Mystery
39x02: Surviving the Tsunami
39x01: Engineering Ground Zero
38x17: Power Surge
38x16: Japan's Killer Quake
38x15: Venom: Nature's Killer
38x14: Crash of Flight 447
38x13: Smartest Machine on Earth
38x12: Making Stuff Smarter (4)
38x11: Making Stuff Cleaner (3)
