TV Guide American Heroes Channel Thursday

U.S. forces set out on Operation Phantom Fury, expecting to reclaim Fallujah in 48 hours, but insurgents using IEDs and grenades make the process lengthier.

When the North Vietnamese Army takes the ancient, imperial capital, Hue, in 1968, outnumbered Marines must engage, unprepared, in drawn-out urban warfare.

In a battle that is destined to shape the course of the Vietnam War, 6,000 marines fight a huge and highly trained Communist army in a bloody 77-day siege.

Thirty-six U.S. Special Forces attempt to take the hill of Sperwan Ghar from a large group of Taliban insurgents armed with IEDs and RPGs.

An army of 200,000 Germans attacks 83,000 Americans while thick snow and fog swirl through the Ardennes forest in the December of 1944.

An army of 200,000 Germans attacks 83,000 Americans while thick snow and fog swirl through the Ardennes forest in the December of 1944.

The secrets of the violent, sharp-dressing criminal organization in Japan, engaged in an assortment of crimes such as extortion and gambling.

The most infamous white supremacist group in America is analyzed, once having over a million members, but today just a shadow of its former self.

An examination of The Assassins, one of the deadliest groups of Medieval times, who used tactics that may have been handed down to today's Islamic terrorists.

An examination of the Nazi's strong belief in ancient mysticism, the occult, and even contact with alien life is examined at length.

A secret society, with roots dating back to the 12th century, is rumored to be in possession of evidence regarding the marriage of Jesus Christ.

A dark sect is sworn to protect and preserve the Holy Blood of Christ, leading researchers to examine the methods used by the Brotherhood.

Mysterious happenings in area 52 occur, like a vanishing aircraft, UFOs, and reverse technology, and investigators believe the military knows more than is said.

After decades of UFO research on the skies, documents and eye-witness accounts lead researchers to believe UFOs could be closer than they thought.

Pilots and astronauts share their sightings of unknown objects floating in the air to help prove that it's not uncommon to see strange things flying in the sky.

Evidence leads to the possibility of an ancient man being visited by extraterrestrials; a scholar shares evidence for his theory that aliens created Sumerians.

Researchers believe humans have been visited by things not of this world, as Egypt's history, Native American myths, and Renaissance art is explored.

Evidence of extraterrestrial objects is presented by top intelligence, government and scientific witnesses who refuse to die before sharing their secrets.

An inside exploration is presented into the world of supposed outlaw bikers, featuring an in-depth look into their tightly-guarded clubs.

An examination is presented of some of the world's most iconic, clandestine institutions and top-secret locations, featuring a look into Las Vegas.

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 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 inside exploration is presented into the world of supposed outlaw bikers, featuring an in-depth look into their tightly-guarded clubs.

An examination is presented of some of the world's most iconic, clandestine institutions and top-secret locations, featuring a look into Las Vegas.