History's Secrets
We checked 8 streaming services in India on 04 Jun 2026 at 10:40 IST
About
Mysterious events, compelling figures, and great unanswered questions from the past are explored in this National Geographic series.
Episodes
Season 1
The Hunt for Hitler
Soviet leader Joseph Stalin concealed Hitler’s body from the West for decades. The FBI spent years tracking false leads and sightings of Hitler. Only in the 1990s did Russians open archives to reveal a handful of Hitler's teeth and fractured skull pieces.
The Hunt for the Boston Strangler
Police closed the case of the infamous Boston Strangler when Albert De Salvo confessed to the grisly murder of 13 women. But recent forensic evidence reveals the Strangler could still be at large.
The Romanovs
In 1918 Russia's last imperial dynasty, the Romanovs, were assassinated. But doubts remain as to whether all members of the royal family were put to death. Did the Tsar's daughter, Anastasia, escape?
The Real Roswell
On July 8, 1947, the U.S. Army issued a press statement claiming to have recovered a flying saucer on a ranch outside Roswell, New Mexico. But within hours they retracted the statement saying they had only found the remains of a weather balloon. Sixty years later the debate still rages and Roswell has become the UFO capital of the world. Did the military really recover dead aliens and their spaceship, as some people claim?
The Secrets Of J. Edgar Hoover
For 20 years, FBI Director J. Edgar Hoover denied the existence of the mafia. Was it because he was being blackmailed by them, with the threat of being exposed as a gambler and cross-dresser?
Where's Amelia Earhart?
As world famous aviator Amelia Earhart closed in on her record-setting attempt to fly around the world in July 1937, she disappeared somewhere over the Pacific Ocean - vanishing without a trace. Did she run out of fuel and crash into the sea? Or could she have survived? NGC explores one of the most fiercely debated mysteries of all time. Investigators build the case that she was a pawn in an espionage plot for President Franklin D. Roosevelt, while eyewitnesses testify she was captured by the Japanese military. Examine the evidence and decide for yourself what might have happened to Amelia Earhart.
Howard Hughes Revealed
How and why did a man so rich, so accomplished and so visible become so reclusive, phobic and fragile? How much truth is there in the popular image of Hughes' descent into madness? What can recent medical discoveries contribute to our understanding of this man, his habits, behaviors and final years? NGC reviews recent studies of America's most bizarre billionaire.
The Unabomber: Ted Kaczynski
Ted Kaczynski sent the FBI on a $50 million manhunt. We investigate how his childhood as a prodigy led him to academic glory at Harvard.
Where does History's Secrets rank today?
History's Secrets is #10000 on the CineFlixo Daily Streaming Charts today.
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Watch History's Secrets Online Free — All Episodes in HD
Stream History's Secrets online free in HD on CineFlixo. A well-rated documentary series originally produced in Inglés, it's earned a solid 7.5/10 from 4 viewers worldwide.
About History's Secrets
Mysterious events, compelling figures, and great unanswered questions from the past are explored in this National Geographic series. Across 4 seasons and 27 episodes.
Where to Watch History's Secrets Online
On CineFlixo you can watch History's Secrets free — no account, no credit card, no ads in the middle of the show. We stream the full series in 720p / 1080p HD, with subtitles when available, on any device: phone, tablet, laptop, or smart TV browser.
▶ Watch History's Secrets NowWhy People Are Watching History's Secrets
There's a reason History's Secrets keeps showing up on "must-watch" lists. What makes it work is a tone and style that's hard to find elsewhere. If you enjoy Inglés storytelling that doesn't follow the same tired beats, this is the kind of show you'll end up recommending to friends.
Frequently Asked Questions about History's Secrets
Where can I watch History's Secrets online for free?
You can watch History's Secrets online free on CineFlixo. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How many episodes does History's Secrets have?
History's Secrets has 27 episodes across 4 seasons. All episodes are available to stream right here on CineFlixo.
Is History's Secrets good? What's the rating?
History's Secrets holds a 7.5/10 rating based on 4 reviews — well above average.
Is History's Secrets available in Inglés?
Yes — History's Secrets was originally produced in Inglés and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
Do I need an account to watch History's Secrets on CineFlixo?
No. CineFlixo is free and you can watch History's Secrets without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
Similar Series You Might Like
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Frequently Asked Questions
Where can I watch History's Secrets for free?
You can watch History's Secrets online for free on CineFlixo. All 27 episodes across 4 seasons are available to stream in HD without a subscription, signup, or paywall. Just open the show page and press play.
How many seasons and episodes does History's Secrets have?
History's Secrets currently has 4 seasons and a total of 27 episodes. The series status is "Ended", so the episode count may grow as new seasons are released. You can browse the full episode list on CineFlixo and continue watching from where you left off.
What is History's Secrets about?
Mysterious events, compelling figures, and great unanswered questions from the past are explored in this National Geographic series. It belongs to the Documentary genre.
In which language is History's Secrets originally available?
History's Secrets was originally produced in English. On CineFlixo the show is available in its original English audio, which is the most authentic way to experience the dialogue, music, and performances. Check the player options on the watch page for available subtitle tracks.
When was History's Secrets first released?
History's Secrets is currently available to stream on CineFlixo. Visit the show page for the latest episode and air-date information.
All Seasons
Browse every season of History's Secrets — 4 seasons in total
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