S21: The Khmer Rouge Killing Machine

When Sgt. First Class Brian Eisch is critically wounded in Afghanistan, it sets him and his sons on a journey of love, loss, redemption and legacy.

Amid the failing counteroffensive, a journalist follows a Ukrainian platoon on their mission to traverse one mile of heavily fortified forest and liberate a strategic village from Russian occupation. But the farther they advance through their destroyed homeland, the more they realize that this war may never end.

Set both in Latin America and the United States, the film explores the historic and current relationship of Washington with countries such as Venezuela, Bolivia and Chile. Pilger says that the film "...tells a universal story... analysing and revealing, through vivid testimony, the story of great power behind its venerable myths. It allows us to understand the true nature of the so-called "war on terror". According to Pilger, the film’s message is that the greed and power of empire is not invincible and that people power is always the "seed beneath the snow".

Prelude to War was the first film of Frank Capra's Why We Fight propaganda film series, commissioned by the Pentagon and George C. Marshall. It was made to convince American troops of the necessity of combating the Axis Powers during World War II. This film examines the differences between democratic and fascist states.

Produced and presented as evidence at the Nuremberg war crimes trial of Hermann Göring and twenty other Nazi leaders, this film consists primarily of dead and surviving prisoners and of facilities used to kill and torture during the World War II.

"Trinity and Beyond" is an unsettling yet visually fascinating documentary presenting the history of nuclear weapons development and testing between 1945-1963. Narrated by William Shatner and featuring an original score performed by the Moscow Symphony Orchestra, this award-winning documentary reveals previously unreleased and classified government footage from several countries.

This documentary movie is about the battle of San Pietro, a small village in Italy. Over 1,100 US soldiers were killed while trying to take this location, that blocked the way for the Allied forces from the Germans. Preserved by the Academy Film Archive in 2005.

A love letter from a young mother to her daughter, the film tells the story of Waad al-Kateab’s life through five years of the uprising in Aleppo, Syria as she falls in love, gets married and gives birth to Sama, all while cataclysmic conflict rises around her. Her camera captures incredible stories of loss, laughter and survival as Waad wrestles with an impossible choice– whether or not to flee the city to protect her daughter’s life, when leaving means abandoning the struggle for freedom for which she has already sacrificed so much.

When Allied forces liberated the Nazi concentration camps in 1944-45, their terrible discoveries were recorded by army and newsreel cameramen, revealing for the first time the full horror of what had happened. Making use of British, Soviet and American footage, the Ministry of Information’s Sidney Bernstein (later founder of Granada Television) aimed to create a documentary that would provide lasting, undeniable evidence of the Nazis’ unspeakable crimes. He commissioned a wealth of British talent, including editor Stewart McAllister, writer and future cabinet minister Richard Crossman – and, as treatment advisor, his friend Alfred Hitchcock. Yet, despite initial support from the British and US Governments, the film was shelved, and only now, 70 years on, has it been restored and completed by Imperial War Museums under its original title "German Concentration Camps Factual Survey".

With unprecedented access, this documentary follows the extraordinary journey of “Raqqa is Being Slaughtered Silently”—a group of anonymous citizen journalists who banded together after their homeland was overtaken by ISIS—as they risk their lives to stand up against one of the greatest evils in the world today.

WWII from Space delivers World War II in a way you've never experienced it before. This HISTORY special uses an all-seeing CGI eye that offers a satellite view of the conflict, allowing you to experience it in a way that puts key events and tipping points in a global perspective. By re-creating groundbreaking moments that could never have been captured on camera, and by illustrating the importance of simultaneity and the hidden effects of crucial incidents, HISTORY presents the war's monumental moments in a never-before-seen context. And with new information brought to the forefront, you'll better understand how a nation ranked 19th in the world's militaries in 1939 emerged six years later as the planet's only atomic superpower.

In the Realms of the Unreal is a documentary about the reclusive Chicago-based artist Henry Darger. Henry Darger was so reclusive that when he died his neighbors were surprised to find a 15,145-page manuscript along with hundreds of paintings depicting The Story of the Vivian Girls, in What is Known as the Realms of the Unreal, of the Glodeco-Angelinnian War Storm, Cased by the Child Slave Rebellion.

A visual montage portrait of our contemporary world dominated by globalized technology and violence.

A documentary on the expletive's origin, why it offends some people so deeply, and what can be gained from its use.

The most comprehensive retrospective of the '80s action film genre ever made.

A documentary about World War I with never-before-seen footage to commemorate the centennial of Armistice Day, and the end of the war.

Virunga in the Democratic Republic of the Congo is Africa’s oldest national park, a UNESCO world heritage site, and a contested ground among insurgencies seeking to topple the government that see untold profits in the land. Among this ongoing power struggle, Virunga also happens to be the last natural habitat for the critically endangered mountain gorilla. The only thing standing in the way of the forces closing in around the gorillas: a handful of passionate park rangers and journalists fighting to secure the park’s borders and expose the corruption of its enemies. Filled with shocking footage, and anchored by the surprisingly deep and gentle characters of the gorillas themselves, Virunga is a galvanizing call to action around an ongoing political and environmental crisis in the Congo.

Director Claude Lanzmann spent 11 years on this sprawling documentary about the Holocaust, conducting his own interviews and refusing to use a single frame of archival footage. Dividing Holocaust witnesses into three categories – survivors, bystanders, and perpetrators – Lanzmann presents testimonies from survivors of the Chelmno concentration camp, an Auschwitz escapee, and witnesses of the Warsaw Ghetto Uprising, as well as a chilling report of gas chambers from an SS officer at Treblinka.

Documentary about the art of film editing. Clips are shown from many groundbreaking films with innovative editing styles.

As the Russian invasion begins, a team of Ukrainian journalists trapped in the besieged city of Mariupol struggle to continue their work documenting the war's atrocities.