Best Documentary TV Shows to Watch Now on Tubi (Free)

Alone (2015)

Gordon Ramsay's Secret Service (2025)

Drive Thru History (2005)

Secrets of Size: Atoms to Supergalaxies (2022)

The Bionic Vet (2010)

Route 66 (2012)

Making Contact: Be Inspired (2019)

Scam City (2012)

Suspicious Minds (2020)

The History of Home Presents: History's Greatest Homes (2020)

Married to a celebrity: the survival guide (2017)

The Burrowers (2013)

The National Parks Project (2011)

Mysterien Mitteleuropas (2020)

Tales from the National Parks (2011)

Tried + True (2018)

Mega Shippers (2016)

Police After Dark (2022)

The 13 Wonders of Spain (2000)

Travels with Darley (2016)

7 Days in Hell (2025)

Gordon Ramsay's Secret Service (2025)

TMZ Presents: United States V. Sean Combs: Inside the Diddy Trial (2025)

Beauty and the Beast: The Ugly Face of Prejudice (2025)

The War to End War 1914 - 1918 (2025)

World of Weird (2025)

Born Naughty? (2025)

America's Most Wanted: Missing Persons (2025)

Swipe Left or Death (2024)

Whiskeyland (2024)

ODB: Wu-Tang Forever (2024)

Blitz: Britain on Fire (2024)

The Basement Talks (2024)

Alien Top Secret: Eyes Only Crypto Clearance (2024)

Emergency on Sunny Beach (2024)

The World of Bridges (2024)

Ecuador: On the Wild Side (2024)

Bliss Up - Exploring the Ultimate Energy Healer (2024)

Murdered in Paradise (2024)

Drink: A Look Inside the Glass (2024)

Nuts and Bolts (2000)

Weird or What? (2010)

The Great War (2010)

Hoarders (2009)

The 9/11 Tapes: Chaos in the Sky (2012)

Paranormal State (2007)

Haunted Lives: True Ghost Stories (1991)

QB1: Beyond the Lights (2017)

Breaking Amish (2012)

The Decembrists (2017)

Pit Bulls and Parolees (2009)

It's a Miracle (1998)

Murder Maps (2015)

How Should We Then Live? (2005)

1916 Seachtar na Cásca (2010)

Titans: The Rise of Hollywood (2022)

Dangerous Persuasions (2013)

Place of Execution (2008)

In Search of... (2018)

Meerkat Manor (2005)

Trespassing Bergman (2015)

Car Kings (2020)

Doctor*ology (2007)

Car Crash TV (2016)

Homeschooled (2022)

Comedy Invasion (2022)

Flophouse (2016)

Rhys Darby in Japan (2020)

Monty Python's Best Bits (Mostly) (2014)

Gotham Comedy Live (2012)

Monty Python: Almost the Truth - The Lawyer's Cut (2009)

Dog Days (2002)

Ghost Brothers (2016)

Funny How? (2017)

Roadkill Garage (2016)

Talk About A Meal (2021)

Inside Joke with Asif Ali (2018)

Liquor House Comedy (2017)

Coast Guard: Mission Critical (2020)

Helicopter ER (2016)

Kitty 911 (2016)

Liberty of London (2013)

Reunited (2022)

Emergency Rescue Down Under (2016)

Salvage Hunters (2011)

Ainsley's Food We Love (2020)

Slum Survivors (2014)

Garage Rehab (2017)

Licence to Grill (2003)

My Unique B&B (2021)

Rick Steves' Europe (2000)

Photo Finish (2012)

Million Dollar Auctions (2013)

What Were You Thinking (2002)

Street Hospital (2013)

Opening Soon (2001)

The Underdogs (2010)

Ade in Britain (2011)

The Indian Wars: A Change of Worlds (2016)

Biography: Bobby Brown (2022)

Monsters Among Us (2015)

Napoleon: The Man Who Ruled the World (2001)

The Captains Close Up (2013)

Hitler and the Nazis (2014)

Vietnam: 50 Years Remembered (2015)

Genius of the Modern World (2016)

Unsung (2008)

Ronald Reagan: The Life and Legacy (2014)

Hollywood Rivals (2001)

My Strange Addiction (2010)

Mysteries at the Monument (2013)

The Haunting Of (2012)

A Football Life (2011)

A Stitch in Time (2018)

Scandal Made Me Famous (2016)

Castro's Revolution vs. The World (2019)

I Survived... (2008)

Secret Life of... (2012)

The 13 Wonders of Spain (2000)

History: The Interesting Bits (2022)

The Century of Warfare (1993)

Nazi Fugitives (2010)

How the Nazis Lost the War (2021)

Great Cars (2003)

Royal Inquest (2009)

A History of Christianity (2009)

America: Facts vs. Fiction (2013)

The Four Sisters (2018)

Royals: Keeping the Crown (2021)

The Naked Archaeologist (2005)

Biblical Collector's Series (2005)

Leah Remini: Scientology and the Aftermath (2016)

The Cradles of Culture (2010)

The Big Battles of World War II (2001)

Greatest Tank Battles (2010)

Secrets of Christianity (2011)

Happy Hour History (2022)

World's Greatest Palaces (2019)

Suspicious Minds (2020)

British Police Murdered on Duty (2016)

Lucía en la Telaraña (2021)

The Force: Behind the Line (2006)

Forensic Files (1996)

Under Arrest (1993)

Inside Maximum Security (2021)

MysteryQuest (2009)

The Negotiators (2019)

The Mafia with Trevor McDonald (2015)

Murder Among Friends (2016)

Killer Britain with Dermot Murnaghan (2020)

Murder on the Internet (2017)

Railway Murders (2021)

RBT: Random Breath Testing (2010)

Killer Cases (2020)

See No Evil (2014)

Confessions of a Serial Killer with Piers Morgan (2017)

Unsolved Mysteries (1987)

Surviving Evil (2013)

UFO Diaries (1995)

The Pyramids: Solving The Mystery (2019)

Unsolved Mysteries (1987)

Bigfoot Beyond the Trail (2021)

Killer Confessions (2015)

The UnXplained (2019)

Secrets in the Sand (2023)

Alien Highway (2019)

Secrets, Lies and DNA Ties (2022)

The Alaska Triangle (2020)

Mysteries of the Deep (2020)

Vintage Tech Hunters (2018)

The Burrowers (2013)

Penguins on a Plane: Great Animal Moves (2014)

Bigfoot Beyond the Trail (2021)

Rescued Chimpanzees of the Congo with Jane Goodall (2021)

Pit Bulls and Parolees (2009)

In Search of Aliens (2014)

The Secret World of Nature: Spain (2020)

Catalyst (2001)

Dog's Best Friend (2014)

Walks with My Dog (2017)

Croc College (2011)

Miracle Pets (2001)

Dogs with Jobs (2000)

19 Kids and Counting (2008)

Dog Tales Rescue (2018)

Wild Korea (2019)

Aussie Snake Wranglers (2021)

Last Chance to See (2009)

VICE Guide to Film (2016)

A Century of Science Fiction (1996)

Mister Tachyon (2018)

Alien Mysteries (2013)

Proof (2020)

Alien Disclosure Files (2024)

Ghosts of Morgan City (2019)

I Prophesy: The Future Revealed (2009)

Cosmos: A Spacetime Odyssey (2014)

Forensic Files (1996)

Shoreline (2018)

Leah Remini: Scientology and the Aftermath (2016)

Craig Charles: UFO Conspiracies (2022)

Xploration Outer Space (2014)

Murder Maps (2015)

Secrets, Lies and DNA Ties (2022)

Mister Tachyon (2018)

UFOs: The Lost Evidence (2017)

In Search of Aliens (2014)

Catalyst (2001)

60 Days In (2016)

In Search of... (2018)

Unidentified: Inside America's UFO Investigation (2019)

The Secrets of Quantum Physics (2014)

Xploration Nature Knows Best (2016)

Riddle of the Skies (1999)

The Curious Mind (2018)