Military Aircraft: Featuring military aircraft that have made history and that have driven innovation in aviation.

Mega Cars: Whether commercial vehicles or super sports cars, these Mega Cars stand out as examples of the most extraordinary vehicles in the world.

Something strange washes up on a New York beach, baby monitors reveal ghostly activity in a nursery, and a UFO saves a Russian town.

A ghost appears on the Gettysburg battlefield, a sea monster surfaces in Ireland, and UFOs are spotted over Philadelphia and The Hague.

Stress: Psychologists take a closer look at the stress of flying, exploring the emotions affecting staff, pilots and passengers at airports and up in the sky. (S1, ep 8)

Mechanical Failure: Phone footage reveals what happens when mechanics fail at high altitude. It's aviation's worst nightmare, but what can the industry do to prevent it? (S1, ep 7)

Fires: Shocking phone footage reveals what it's like for a flight to go up in flames, and experts reveal how firefighters deal with aviation infernos. (S1, ep 6)

Weather: Science and passenger phone footage reveals what happens when planes get hit by typhoon winds, giant hail stones and lightning. (S1, ep 5)

Passengers: What sparks in-flight fights? And why do millions fear going up in the air? Psychologists and aviation experts join forces in search of answers. (S1, ep 3)

Airports: Head onto the runway, where a tiny error can cause catastrophe. Plus, check into the world's most extreme airports, where only the most skilled pilots can land. (S1, ep 2)