Movies like I Know What I Saw (2009)
The best movies like I Know What I Saw (2009) are Extraordinary: The Stan Romanek Story (2013), Unacknowledged (2017) and The Visit: An Alien Encounter (2015). If I Know What I Saw hooked you with its documentary and science fiction, these 27 similar films are what to watch next, and every pick says why it matches.
Quick picks
- Highest ratedAvicii: True Stories (2017)8.0/10 from 364 votes
- NewestOasis: Don't Look Back in Anger (2026)Released 2026
Extraordinary: The Stan Romanek Story (2013)
Stan Romanek is the center of the world's most documented extraterrestrial contact story, and the multitude of evidence accumulated over the past decade has convinced thousands around the world that his story is true. This documentary film takes audiences on a journey through Stan's past, present and future with one goal in mind: help the world understand that no one knowingly chooses the challenges Stan and his family have endured. This film's intention is not to prove the existence of UFOs and extraterrestrials, but it does pose the question' What if this is all true? extraordinary: the stan romanek story is about one man's evolution through a life he did not choose and the messages he is driven to deliver to mankind.
Why it matches: Fans watch both · both science fiction & documentary
Popcorn FlickMovies like thisUnacknowledged (2017)
Dr. Steven Greer presents brand new top-secret evidence supporting extraterrestrial contact, including witness testimony, classified documents, and UFO footage, while also exploring the consequences of ruthlessly enforcing such secrecy.
Why it matches: Fans watch both · both documentary & science fiction
Popcorn FlickMovies like thisThe Visit: An Alien Encounter (2015)
“This film documents an event that has never taken place…” With unprecedented access to the United Nations’ Office for Outer Space Affairs, leading space scientists and space agencies, The Visit explores humans’ first encounter with alien intelligent life and thereby humanity itself. “Our scenario begins with the arrival. Your arrival.”
Why it matches: Fans watch both · both documentary & science fiction
Out of the Blue (2003)
Narrated by Peter Coyote, Out of The Blue is widely considered the best documentary ever made about Unidentified Objects. The producers traveled around the world to investigate some of the most famous UFO events on record. Through exclusive interviews with high-ranking military and government personnel, this award-winning film supports the theory that some UFOs are of extraterrestrial origin.
Why it matches: Fans watch both · both documentary & science fiction
Missing 411: The U.F.O. Connection (2023)
In Missing 411: The UFO Connection, David Paulides continues the story of people who vanish in the wild without a trace. In his third documentary, David reveals the first evidence documenting a link between UFOs and missing people.
Why it matches: Fans watch both · both documentary & science fiction
Is There a Stargate? (2003)
Documentary about possible ancient alien visitors to Earth.
Why it matches: Fans watch both · both documentary & science fiction
Stargate SG-1: True Science (2006)
In this documentary, Amanda Tapping, known as Samantha Carter from SG-1, shows the scientific background of the successful science fiction series "Stargate SG-1" and lets us take a look behind the scenes.
Why it matches: Fans watch both · both science fiction & documentary
The Captains (2011)
The Captains is a feature-length documentary film written and directed by William Shatner. The film follows Shatner as he interviews the other actors who have portrayed starship captains in the Star Trek franchise.
Why it matches: Recommended by TMDB viewers · both documentary & science fiction
Popcorn FlickMovies like thisChaos on the Bridge (2014)
Canadian acting legend William Shatner takes viewers inside the creation of Star Trek: The Next Generation, the bold attempt in 1986 to recreate the success of the original television series, in which Shatner played Captain James T. Kirk.
Why it matches: Recommended by TMDB viewers · both documentary & science fiction
Popcorn FlickMovies like thisThe Phenomenon (2020)
This documentary examines unidentified aerial phenomenon. With testimony from high-ranking government officials and NASA Astronauts, Senator Harry Reid says it "makes the incredible credible."
Why it matches: Recommended by TMDB viewers · both documentary
Popcorn FlickMovies like thisClose Encounters of the Fifth Kind (2020)
Dr. Steven Greer’s previous works, SIRIUS and UNACKNOWLEDGED, broke crowdfunding records and ignited a grassroots movement. CLOSE ENCOUNTERS OF THE FIFTH KIND features groundbreaking video and photographic evidence and supporting interviews from prominent figures such as Adam Curry of Princeton’s PEAR Lab; legendary civil rights attorney Daniel Sheehan, and Dr. Russell Targ, who headed the CIA’s top secret remote viewing program. Their message: For thousands of people, contact has begun. This is their story.
Why it matches: Recommended by TMDB viewers · both documentary
Popcorn FlickMovies like thisElstree 1976 (2015)
A documentary about ten very different lives connected by having appeared onscreen wearing masks or helmets in Star Wars.
Why it matches: Recommended by TMDB viewers · both documentary
Popcorn FlickMovies like thisBob Lazar: Area 51 and Flying Saucers (2018)
Area 51, flying saucers from another world - and the program to create a fierce technology. Bob Lazar remains the singular most famous and controversial name in the world of UFOs. The reason you know about Area 51 is because Lazar came forward and told you about it. His disclosures have turned his life upside-down and he has tried to stay out of the spotlight. For this reason, he has never let any filmmaker into the private world of his daily life - that is - until now. Corbell’s film explores Lazar’s claims through the lens of thirty years - providing rare and never before revealed footage - guaranteed to alter the landscape of the debate.
Why it matches: Recommended by TMDB viewers · both documentary
Popcorn FlickMovies like thisWhat We Left Behind: Looking Back at Star Trek: Deep Space Nine (2018)
A documentary exploring the legacy of Star Trek: Deep Space Nine, the reasons it went from the black sheep of Star Trek to a beloved mainstay of the franchise, and a brainstorm with the original writers on what a theoretical eighth season of the show could look like.
Why it matches: Recommended by TMDB viewers · both documentary
Worth the HypeMovies like thisWho Are You, Charlie Brown? (2021)
Lupita Nyong'o narrates a documentary about Peanuts and its creator, Charles M. Schulz. Famous fans—including Drew Barrymore, Kevin Smith, and Al Roker—share its influence on them, and a new animated story finds Charlie Brown on a quest.
Why it matches: Recommended by TMDB viewers · both documentary
Popcorn FlickMovies like thisThe Class of ‘92 (2013)
A detailing of the rise to prominence and global sporting superstardom of six supremely talented young Manchester United football players (David Beckham, Nicky Butt, Ryan Giggs, Paul Scholes, Phil and Gary Neville). The film covers the period 1992-1999, culminating in Manchester United's European Cup triumph.
Why it matches: Recommended by TMDB viewers · both documentary
Worth the HypeMovies like thisA Trip to Infinity (2022)
Does infinity exist? Can we experience the Infinite? In an animated film (created by artists from 10 countries) the world's most cutting-edge scientists and mathematicians go in search of the infinite and its mind-bending implications for the universe. Eminent mathematicians, particle physicists and cosmologists dive into infinity and its mind-bending implications for the universe.
Why it matches: Recommended by TMDB viewers · both documentary
Worth the HypeMovies like this180° South (2010)
The film follows adventurer Jeff Johnson as he retraces the epic 1968 journey of his heroes Yvon Chouinard and Doug Tompkins to Patagonia.
Why it matches: Recommended by TMDB viewers · both documentary
Worth the HypeMovies like thisAfter Truth: Disinformation and the Cost of Fake News (2020)
An investigation into the ongoing threat caused by the phenomenon of “fake news” in the U.S., focusing on the real-life consequences that disinformation, conspiracy theories and false news stories have on the average citizen.
Why it matches: Recommended by TMDB viewers · both documentary
Popcorn FlickMovies like thisThe Accountant of Auschwitz (2018)
Oskar Gröning, known as the "Accountant of Auschwitz," was charged with the murder of 300,000 Jews. When he took the stand in 2015, at the age of 94, his trial made headlines worldwide.
Why it matches: Recommended by TMDB viewers · both documentary
Popcorn FlickMovies like thisThe Bloody Hundredth (2024)
Meet the real-life airmen who inspired Masters of the Air as they share the harrowing and transformative events of the 100th Bomb Group.
Why it matches: Recommended by TMDB viewers · both documentary
Worth the HypeMovies like thisOprah Winfrey Presents: When They See Us Now (2019)
Oprah Winfrey talks with the exonerated men once known as the Central Park Five, plus the cast and producers who tell their story in "When They See Us."
Why it matches: Recommended by TMDB viewers · both documentary
Worth the HypeMovies like thisGoing Clear: Scientology and the Prison of Belief (2015)
The film profiles eight former members of the Church of Scientology, shining a light on how they attract true believers and the things they do in the name of religion.
Why it matches: Recommended by TMDB viewers · both documentary
Worth the HypeMovies like thisNational Geographic: Journey to the Edge of the Universe (2008)
In one single, epic camera move we journey from Earth's surface to the outermost reaches of the universe on a grand tour of the cosmos, to explore newborn stars, distant planets, black holes and beyond.
Why it matches: Recommended by TMDB viewers · both documentary
Worth the HypeMovies like thisOasis: Don't Look Back in Anger (2026)
Experience the meteoric rise of Oasis through rare footage and untold stories as the band reunites for Oasis Live '25, chronicling their journey from Manchester streets to global rock stardom.
Why it matches: Recommended by TMDB viewers · both documentary
Popcorn FlickMovies like thisUnknown: Cosmic Time Machine (2023)
The James Webb Telescope stirs imaginations with vivid photos of distant galaxies. This documentary tracks its historic journey from inception to launch.
Why it matches: Recommended by TMDB viewers · both documentary
Worth the HypeMovies like thisAvicii: True Stories (2017)
Documentary about the arena-packing Swedish DJ, chronicling his explosive rise to fame and surprising decision to retire from live performances in 2016.
Why it matches: Recommended by TMDB viewers · both documentary
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Frequently asked questions
What are the best movies like I Know What I Saw?
The closest matches to I Know What I Saw are Extraordinary: The Stan Romanek Story (2013), Unacknowledged (2017) and The Visit: An Alien Encounter (2015). Below are 24 more, each with the reason it matches.
What should I watch after I Know What I Saw?
People who watched I Know What I Saw most often go on to Extraordinary: The Stan Romanek Story (2013), Unacknowledged (2017) and The Visit: An Alien Encounter (2015).
What is the highest-rated movie like I Know What I Saw?
Avicii: True Stories (2017), rated 8.0/10 by 364 TMDB users.
What is the newest movie like I Know What I Saw?
Oasis: Don't Look Back in Anger (2026) is the most recent release on this list.
Are there English movies like I Know What I Saw?
Yes: Extraordinary: The Stan Romanek Story (2013), Unacknowledged (2017) and The Visit: An Alien Encounter (2015).
How are movies similar to I Know What I Saw chosen?
First come films that Trakt’s viewers watch alongside I Know What I Saw, then TMDB’s recommendations and films it rates as similar in story and genre. Each pick says which signal put it there.