TV Guide American Heroes Channel Thursday

Offering bonus scenes, former Naval officer and actor Jamie Kaler presents the surprising hidden facts behind the most familiar stories from America's past.

On a special edition, the focus is on amusement parks and world's fairs, separating truth from fiction; the facts behind holidays Christmas and New Year's Day.

On this special edition, a revealing profile details a number of America's most powerful men, and the origins of the country they governed.

A special edition; the story of the most famous flying devices in history, such as Apollo 11 and Air Force One, and the truth behind our influential inventors.

Historians and experts judge historical figures John Glenn, Bruce Lee, Harry Truman and Hunter S. Thompson, analyzing their extraordinary feats.

Historians and experts judge historical figures George Washington, General Douglas MacArthur, Amelia Earhart and Jack Johnson, analyzing their amazing feats.

The Mutual UFO Network uses science, psychology and law enforcement to carefully investigate people's personal accounts of UFO sightings and alien abductions.

While investigating a series of mass sightings in three Mexican cities, the members of a UFO investigation team encounter conflicting stories and evidence.

In a Philadelphia suburb where reports of UFO sightings have recently increased, MUFON investigators search for sightings that can possibly be verified.

An in-depth and behind-the-scenes examination is taken into the American Nazis, an infamous group who terrorized the United States in the 1930s.

An in-depth examination is taken into the possibility that aliens built the pyramids and the controversial writings of Swiss author Erich von Daniken.

An in-depth and behind-the-scenes examination is taken into the secrets that surround some of the United States' Founding Fathers.

An examination is presented into some of the world's most iconic and clandestine institutions, featuring a look into some of America's most infamous cults.

An exploration of how people prepare for the end of times, from the imperfect history of bible prophecy to the current approach of groups such as ISIS.

Nuclear war preparedness enthusiasts exhibit their survival bunkers and stockpiled supplies, determined to survive in the face of global annihilation.

A survival-minded group of individuals explains their plans to avoid becoming casualties of a global pandemic that could affect a vulnerable human race.

A huge, secret planet, which has caused mass extinctions in the past, has a gravitational pull so strong it could cause Earth to turn upside down.

The prophecies that foresaw some of the most tumultuous events in history are studied, as well as some that have yet come to pass.

An examination of the secret documents and artifacts of the Vatican Archives and Library, containing such treasures as the trial transcripts of Galileo.

The story of the Bulgarian secret department, Service 7, the killer force that had operations in nine different countries, resulting in many unexplored deaths.

A profile that attempts to challenge head-on the orthodox beliefs about an order that created much anger in Europe and France, in particular.

A profile of one of the major figures in Christianity, who was said to have travelled with Jesus and been present at his crucifixion and resurrection.

The once-powerful friend of Hitler saw his days end by hanging upside down in Milan's Piazzale Loreto, but mystery still surrounds the details of his death.

The story of Johann Reichhart, who went from German state executioner prior to war, to leading the Nazi killing machine, only to wind up working for the Allies.

A profile that attempts to challenge head-on the orthodox beliefs about an order that created much anger in Europe and France, in particular.

A profile of one of the major figures in Christianity, who was said to have travelled with Jesus and been present at his crucifixion and resurrection.

The once-powerful friend of Hitler saw his days end by hanging upside down in Milan's Piazzale Loreto, but mystery still surrounds the details of his death.

The story of Johann Reichhart, who went from German state executioner prior to war, to leading the Nazi killing machine, only to wind up working for the Allies.

An examination of the secret documents and artifacts of the Vatican Archives and Library, containing such treasures as the trial transcripts of Galileo.

The story of the Bulgarian secret department, Service 7, the killer force that had operations in nine different countries, resulting in many unexplored deaths.