Top 100 Free Documentaries to Watch Online

Investigate explosive Siberian craters and methane-bubbling Alaskan lakes as scientists measure what thawing permafrost could mean for the global climate.

Go inside Singapore’s Woodlands Checkpoint, where staff and technology process vast flows of commuters, visitors, freight and vehicles around the clock.

Follow 2,500 workers at Saint-Nazaire as they assemble an 80,000-ton cruise ship designed to carry more than 7,000 people.

Trace the bold construction methods, tunnels, viaducts and engineering decisions behind the underground network that still moves millions through Paris.

Connect Leonardo da Vinci’s paintings with his scientific notebooks, inventions and restless experiments five centuries after his death.

Enter a remote village where subsistence whaling binds generations together while migration, economic change and outside pressure threaten its future.

Follow NASA’s Perseverance mission from launch to Jezero Crater in an ambitious search for evidence of ancient Martian life and samples for Earth.

Track the precision transport of a 300-ton Caterpillar 797 on a custom trailer through the Canadian oil sands and extreme operating conditions.

Explain why the United States uses the Electoral College, how it shapes campaigns and why its relationship with the popular vote remains contested.

Combine archaeology, forensic science and 3D reconstruction to investigate Europe’s oldest natural mummy and the violent circumstances of his death.

Discover the workforce, timing and vast infrastructure behind a logistics hub capable of handling more than a million tons of cargo each day.

See how advanced control rooms, maintenance crews and thousands of employees move roughly 3.6 million passengers through Tokyo’s Shinjuku Station every day.

Exclusive access reveals the people, infrastructure and history that keep New York’s iconic terminal—and hundreds of thousands of daily travelers—moving.

Watch “'Nothing Should Exist There' — Scientists Just Got The Strangest Signal,” a full-length society documentary published by Late Science. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “"Animals Like Us" Animal Language | Wildlife Documentary,” a full-length nature & environment documentary published by Best Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “"I CAN'T DO IT!" Desperate Hoarder Gives Up | Filth,” a full-length society documentary published by Filth TV. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch ““I Live to Serve Him” | American Tradwives: Tradition, Submission, Influence | ENDEVR Documentary,” a full-length culture & people documentary published by ENDEVR. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “"It's Unexplainable" — James Webb Just Scanned Titan for the First Time,” a full-length society documentary published by Late Science. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “► Adventure Ocean Quest - Fragile Mediterranean (FULL Documentary),” a full-length nature & environment documentary published by Free Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “10 Muslims. 1 House. The Debate That Shocked Britain,” a full-length society documentary published by OMG Stories. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “13 Factors That Saved Apollo 13,” a full-length society documentary published by Spark. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “15-Year-Old Girl Murders Her Own Father | Shocking True Crime Story,” a full-length crime & justice documentary published by Real Stories. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “1870 Treasure Hunt: The Lost Ship Of The Mojave Desert | Myth Hunters,” a full-length transport & logistics documentary published by Timeline - World History Documentaries. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “1945-1953 From World War to Cold War,” a full-length politics & war documentary published by Best Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “2 Hours of Catching Corrupt Cops!,” a full-length society documentary published by Real Stories. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “2+ Hours Of Secrets The CIA Doesn't Want You To Know | CIA Declassified Marathon,” a full-length mystery documentary published by Real Stories. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “2+ Hours of The FBI Foiling Daring Heists to Fall Asleep To,” a full-length society documentary published by Real Stories. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “25 Horrifying Facts About Ernst Kaltenbrunner That Never Came To Light,” a full-length society documentary published by Der Kommandant. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “3 Hours Of Facts To Fall Asleep To: How Our Universe Was Created,” a full-length space & universe documentary published by Naked Science. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “3 Hours Of Incredible Space and Science Facts To Fall Asleep To,” a full-length space & universe documentary published by Naked Science. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “3+ Hours Of History's Unexplained Myths To Fall Asleep To,” a full-length history documentary published by Timeline - World History Documentaries. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “31 Days in the Ghetto: Homeless Social Experiment,” a full-length society documentary published by Real Stories. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “31 Months of Hell: Falsely Imprisoned In Saudi Arabia | Real Stories True Crime Documentary,” a full-length crime & justice documentary published by Real Stories. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “4 Hours Of History's Best (And Worst) Explorers,” a full-length history documentary published by Timeline - World History Documentaries. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “4 Hours Of WW2 Facts To Fall Asleep To,” a full-length society documentary published by Timeline - World History Documentaries. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “50 Shades of Love in the USA | Polyamory, Relationship Coachs, Religion,” a full-length culture & people documentary published by Best Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “50 Years of US Election Campaigns,” a full-length politics & war documentary published by Get.factual. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “61 Minutes of Adrenaline-Fueled Police Chases You Won't Believe!,” a full-length crime & justice documentary published by OMG Stories. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “9/11: The Complete Day | Episode 12,” a full-length society documentary published by Best Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “A Copper Bottomed Dig | Time Team (Archeology Documentary),” a full-length society documentary published by Timeline - World History Documentaries. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “A Day With Reindeer People | Documentary,” a full-length culture & people documentary published by Best Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “A Deadly Encounter in the Wild: Guyana's Giant Anacondas | Wildlife Documentary,” a full-length nature & environment documentary published by Get.factual. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “A Different Drummer: Celebrating Eccentrics,” a full-length society documentary published by Best Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “A Guide To The Second Trimester | Highs, Lows and High Risk Twins | Make Me A Baby, Part 3,” a full-length society documentary published by Origin. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “A Journey into the Mind of a Killer | The Fisherman (Full Documentary) | Real Stories,” a full-length crime & justice documentary published by Real Stories. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “A Life of Rules: Inside Ultra-Orthodox Jewish Communities | ENDEVR Documentary,” a full-length biography documentary published by ENDEVR. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “A Little Bit Mongolian (Extraordinary Person Documentary) | Real Stories,” a full-length society documentary published by Real Stories. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “A Murderer - The Hitler Chronicles | Documentary,” a full-length crime & justice documentary published by Best Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “A Night in the Most Haunted Village in the UK,” a full-length culture & people documentary published by Best Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “A Plastic Surgery: Coca-Cola's Hidden Secrets,” a full-length mystery documentary published by ENDEVR. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “A Shady Businessman and More...,” a full-length economics & business documentary published by Best Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “A Tudor Feast Fit For Henry VIII | Cook Back In Time,” a full-length society documentary published by Timeline - World History Documentaries. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “A VERY High Risk Delivery | Full Episode | Delivering Babies with Emma Willis, Season 1,” a full-length society documentary published by Origin. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Abducted (Crime Documentary) | Real Stories,” a full-length crime & justice documentary published by Real Stories. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Abraham: The Father Of Faith | The Bible: A History | Part 2 | Journal,” a full-length history documentary published by Journal. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Adolf Hitler: The Last Days of the Dictator | Documentary,” a full-length politics & war documentary published by Best Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Adolf Hitler's Secret Island Fortress In Jersey | Time Team,” a full-length politics & war documentary published by Timeline - World History Documentaries. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Afghanistan: Living Under Taliban Rule,” a full-length society documentary published by Best Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Africa‘s tech pioneers - Innovative solutions for a sustainable future | DW Documentary,” a full-length society documentary published by DW Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “After the escape - How foreign people can become home,” a full-length culture & people documentary published by DW Doku. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “After Uvalde: Guns, Grief & Texas Politics,” a full-length politics & war documentary published by FRONTLINE PBS. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Aftermath of the Fukushima Meltdown & Danakil Desert | Mystery Places,” a full-length nature & environment documentary published by Free Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Akhenaten: Ancient Egypt’s Heretic Pharaoh I SLICE HISTORY | FULL DOCUMENTARY,” a full-length history documentary published by SLICE History. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Alabama's Little Town Called Phil Campbell (Extraordinary Place Documentary) | Real Stories,” a full-length society documentary published by Real Stories. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Alexis Neiers on Drugs, Prison, and the Bling Ring: Profiles by VICE,” a full-length crime & justice documentary published by VICE. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Aliens: The Definitive Guide,” a full-length society documentary published by Naked Science. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “ALL The Second World War in the Mediterranean | The Alliance of Hitler and Mussolini,” a full-length politics & war documentary published by Der Kommandant English. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Amazing Quest: Stories from Alaska | Somewhere on Earth: Alaska,” a full-length nature & environment documentary published by Free Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Amazing Quest: Stories from New Zealand | Somewhere on Earth: New Zealand,” a full-length nature & environment documentary published by Free Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Amazonian's Hotheads | Deadliest Journeys,” a full-length travel & adventure documentary published by Best Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “America through German eyes: immigration, influence and identity,” a full-length society documentary published by DW History and Culture. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “America XXL: Land of Excess,” a full-length society documentary published by Best Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “America's Most Famous Ghosts - Documentary,” a full-length society documentary published by Fire of Learning. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “America’s Most Influential Cults: The Man Who Convinced Thousands the World Would End | Documentary,” a full-length society documentary published by Java Discover. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “American Hostages in Iran: 781 Days Inside Evin Prison,” a full-length crime & justice documentary published by Best Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “An Hour in Nevada: The Artists Behind Burning Man and Cowboy Living | Documentary,” a full-length biography documentary published by Java Discover. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “An Hour With Martin Luther King Jr. | David Susskind Meets MLK,” a full-length society documentary published by Timeline - World History Documentaries. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Ancient Greece: Exploring the Most Beautiful Sites,” a full-length history documentary published by Best Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Ancient Middle East: Explore the Hidden Wonders of Jordan and Iran with Christopher Clark,” a full-length history documentary published by Get.factual. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Animals on Instagram - Costumed dogs and tigers in Lamborghinis,” a full-length nature & environment documentary published by DW Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Animals That Changed History: From Farming to Fashion and Transportation | Extra Long Documentary,” a full-length transport & logistics documentary published by Get.factual. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Anne Morgan: an American heiress rebuilding France after WWI I SLICE HISTORY | FULL DOCUMENTARY,” a full-length history documentary published by SLICE History. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Anxious America: Living with Clinical Anxiety | Real Stories Full-Length Documentary,” a full-length society documentary published by Real Stories. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Archaeologists Uncover Three Of China's Ancient Tombs | Mysteries Of China Full Series,” a full-length history documentary published by Timeline - World History Documentaries. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Are Monsanto Pesticides Poisoning Children?,” a full-length society documentary published by Java Discover. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Artemis 1,” a full-length society documentary published by Spark. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Aston Martin: Style and Power,” a full-length society documentary published by Best Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “At 23000 Feet - Life and Death Expedition | Community Doc,” a full-length culture & people documentary published by Free Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Austin: America’s Hippest Capital | Freedom of Speech vs Hate Speech,” a full-length society documentary published by Moconomy. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Ayahuasca boom in Brazil - Remedy or risk?,” a full-length society documentary published by DW Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “B-29: Frozen in Time (NOVA Classics),” a full-length society documentary published by NOVA PBS Official. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Back to Back Rescue Mediums Episodes | Otherside,” a full-length society documentary published by Otherside Paranormal. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Battle of Midway & Beyond | April - June 1942 | World War II Colorized | Subtitled,” a full-length politics & war documentary published by Best Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Battle of Rorke's Drift: How 150 English Troops Fought 4,000 Zulu | History of Warfare,” a full-length history documentary published by Timeline - World History Documentaries. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Battling the Ndrangheta Mafia,” a full-length crime & justice documentary published by ENDEVR. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Becoming a Legionnaire: Inside the World’s Toughest Selection,” a full-length politics & war documentary published by Best Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Beer Is Cheaper Than Therapy,” a full-length society documentary published by ENDEVR. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Behind Bars: Philippines - CIW: Wardens on the Watch | World’s Toughest Prisons,” a full-length crime & justice documentary published by Free Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Behind Bars: The World’s Toughest Prisons - Dallas County Jail, Texas, USA,” a full-length crime & justice documentary published by Free Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.

Watch “Behind Bars: The World’s Toughest Prisons - Sofia Central Prison, Bulgaria,” a full-length crime & justice documentary published by Free Documentary. This catalogue page includes the verified runtime, original publisher attribution and direct access through the official YouTube player.