• G Lock show

    G Lock

    The Air Force replicates the G forces from the fatal skydiving accident.

  • Atlantis show


    Dive near the Bahamas in search of the legendary city of Atlantis.

  • Confederate Gunpowder Mine show

    Confederate Gunpowder Mine

    During the Civil War, Confederates mined for saltpeter, a key ingredient in gunpowder.

  • The Chain Drive show

    The Chain Drive

    The invention of the chain drive laid the groundwork for the modern bicycle.

  • From Automaton to Robot show

    From Automaton to Robot

    Automata, mechanical toys driven by clockwork, were the predecessors to modern robots.

  • Liquid Gases show

    Liquid Gases

    After the invention of artificial refrigeration, attention switched to creating colder refrigerants.

  • Pestis Problem show

    Pestis Problem

    Medieval city sanitation conditions were non-existent and rodents spread Bubonic Plague.

  • B-29 Superfortress show

    B-29 Superfortress

    The B-29's revolutionary fire-control system centralized operation of all the machine guns on board.

  • Alien Baby Farm Teaser show

    Alien Baby Farm Teaser

    Are spacecraft monitoring a volcano in Mexico city?

  • UFOs or Oil Rigs? show

    UFOs or Oil Rigs?

    Ryder, Ben, and James test out the theory that a possible sighting in Mexico was merely oil rigs from a distance.

  • Alien Castaways Teaser show

    Alien Castaways Teaser

    Did aliens really crash in the Brazilian jungle?

  • Game of Drones Teaser show

    Game of Drones Teaser

    Are aliens keeping an eye on NASA?

  • Abducted in Arizona Teaser show

    Abducted in Arizona Teaser

    The team heads to Arizona to investigate one of the most famous sightings in history.

  • UFO Over Phoenix? show

    UFO Over Phoenix?

    Did the team just catch a glimpse of an unknown craft in the night sky?

  • Ryder Scales a Tree show

    Ryder Scales a Tree

    Getting a tree sample isn't quite as easy as Ryder thought it would be.

  • Alien Cowboys Teaser show

    Alien Cowboys Teaser

    Could a sighting in the Rockies have something to do with gruesome animal mutilations?

  • Alien Cattle Mutilation show

    Alien Cattle Mutilation

    Is an extraterrestrial responsible for a rash of mysterious cattle deaths?

  • Dirty Secrets Teaser show

    Dirty Secrets Teaser

    Is a secret military base in California covering up evidence of UFOs?

  • Hidden Military Bunker? show

    Hidden Military Bunker?

    The gang investigates a possible secret bunker under the cover of darkness.

  • Fresno Sighting show

    Fresno Sighting

    A young Fresno couple has a close encounter after a trip to the grocery store.