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Find your next documentary by topic – from true crime and history to science, nature, sport and travel. Every film on Documentary.net is free to watch.

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Society & Culture 380 films · 152 hours Free documentaries about how we live, love, work and belong – from subcultures and city life to money, identity and the internet age.
Science & Nature 213 films · 80 hours Free science and nature documentaries: wildlife, oceans, space, the human body and the research that explains our world.
Arts, Film & Music 182 films · 52 hours Free documentaries about artists, musicians, filmmakers and the creative process – from punk and graffiti to film scores and festivals.
Politics & Conflict 156 films · 82 hours Free documentaries on politics, war and power: elections, extremism, front-line reporting and the stories behind the headlines.
Technology & Innovation 145 films · 39 hours Free documentaries about technology and innovation: AI, robots, hackers, the internet, energy and the inventions shaping tomorrow.
Business & Economy 120 films · 58 hours Free documentaries about money, business and the global economy – billionaires, hidden costs, basic income and the price of everything.
Sports & Adventure 91 films · 23 hours Free sports and adventure documentaries: athletes, extreme sports, world records and 360° experiences – from slacklines to Formula 1.
History 64 films · 30 hours Free history documentaries: wars, disasters, lost places and the people who shaped the 20th century – told through rare footage.
Health & Mind 63 films · 30 hours Free documentaries about health, medicine and the mind: mental health, addiction, disease, food and the science of wellbeing.
Biographies 57 films · 17 hours Free biographical documentaries: portraits of inventors, artists, entrepreneurs and remarkable ordinary people – their lives in their own words.
True Crime & Investigations 47 films · 21 hours Free true crime documentaries: murders, gangs, cartels, prisons and investigations – real cases, real people, real consequences.
Environment & Climate 43 films · 14 hours Free documentaries about climate change and the environment: pollution, oceans, energy, nuclear risks and the people fighting for the planet.
Travel & Places 12 films · 2 hours Free travel documentaries: cities, cultures and landscapes around the world – from Barcelona at midnight to North Korea and Taiwan's reefs.