S41 E1: Ground Zero Supertower

S41 E2: Megastorm Aftermath

S41 E3: Making Stuff Faster

S41 E4: Making Stuff Wilder

S41 E5: Making Stuff Colder

S41 E6: Making Stuff Safer

S41 E7: Cold Case JFK

S41 E8: At the Edge of Space

S41 E9: Asteroid: Doomsday or Payday?

S41 E10: Alien Planets Revealed

S41 E11: Zeppelin Terror Attack

S41 E12: Killer Typhoon

S41 E13: Ghosts of Murdered Kings

S41 E14: Roman Catacomb Mystery

S41 E15: Great Cathedral Mystery

S41 E16: Wild Predator Invasion

S41 E17: Inside Animal Minds: Bird Genius

S41 E18: Inside Animal Minds: Dogs & Super Senses

S41 E19: Inside Animal Minds: Who's the Smartest?

S41 E20: Why Sharks Attack

S41 E21: Escape From Nazi Alcatraz

S41 E22: D-Day's Sunken Secrets