Conspiracy Files Unsealed, Secret Alien Attack

Doomsday: On 8 April 2011, the FBI declassified decades of top secret government documents for the first time. Here, experts examine the possibility of the end of the world.

Bio Hazard Island: Experts examine the possibility of a secret US government facility accused of creating many diseases and biological weapons. (S1, ep 2)

Mind Control: From the Cold War to the TV set, experts question whether the government is actively controlling what you think, how you act and what you believe. (S1, ep 3)

New World Order: Experts question if there really is an elite group of powerbrokers trying to rule the planet. And if so, who is behind this New World Order? (S1, ep 4)

Zombies: Could the once seemingly far-fetched idea of the undead roaming the planet be closer to happening then we ever thought possible? Are zombies becoming a reality? (S1, ep 5)

Haarp: Are governments around the world using weather control to incite the next World War and possibly destroy the planet? A team of experts investigate. (S1, ep 6)

Cloning: Animal cloning has been a reality for decades but the disturbing truth is that human cloning may be much closer than you think. (S1, ep 7)

Bigfoot: Is this half-man, half-ape simply a figment of our collective imagination or does he really exist? Experts ask whether he is being hidden from us and why. (S1, ep 8)

Anti-Christ?: Every culture and religion on the planet believes that an evil one will usher in the end of days. But who is this Anti-Christ? And how can we hope to stop him? (S1, ep 9)

Rise Of The Machines: We rely on machines for virtually every aspect of modern life. But is technology going too far, too fast? And will humans suffer the consequences? (S1, ep 10)

Stargate Portals: Discover the locations of stargate portals around the world. Thought to be doorways to wormholes in time, who is battling to open them and why? (S1, ep 11)

Top 10 Conspiracies Of All Time: Discover the secrets surrounding the ten biggest and most mysterious conspiracies in history, including the goings-on at Area 51. (S1, ep 12)

Remote Viewing: A look at the CIA's rumoured investment in psychological operations. Could there be an army of remote viewers watching American citizens today? (S1, ep 13)

Fake World Leaders: Are Hitler, Saddam Hussein and Osama Bin Laden really dead? Experts find proof that several infamous world leaders didn't die when you think they did. (S1, ep 14)

America's Alien Wars: Startling evidence suggests the US military has been under attack from aliens for 50 years. Could they be keeping such a huge secret from the public? (S1, ep 15)

Time Travel: Could the ability to travel through time be real? Experts unseal new evidence suggesting this phenomenon of science fiction might not be as far-fetched as it seems. (S1, ep 16)

Nazis Today: Many believe Hitler and key members of his inner circle survived the fall of Berlin. If so, where did they go? And did they flee with plans for revenge? (S1, ep 17)

Secret Alien Attack: Are governments secretly preparing for an alien attack? From death stars to satellites, experts explore the likelihood of an extra-terrestrial strike. (S1, ep 18)

Top Ten Secret Societies: Could elite groups of power players be plotting the fate of the world? Discover the plans and goals of the world's most secretive organisations. (S1, ep 19)

Secret Government Warehouses: From Fort Knox to Hanger 18 and Camp Hero, discover the shocking truth hidden inside the government's secret and highly-fortified areas. (S1, ep 20)

Global Depopulation: Many predict a cataclysmic event will soon spell the end of the human race. If disaster struck, is there a way we could save ourselves from extinction? (S1, ep 21)

America's Flying Saucer: From flying saucers to killer drones, discover the out-of-this-world technology the US military is using to conquer the globe. (S1, ep 22)