Movies Like Watchers 6: The Secret Cosmic War

If you liked Watchers 6: The Secret Cosmic War (2013), a documentary movie, here are 20 movies with a similar feel, based on TMDB's recommendations. Each one links to its cast, trailer and where it's streaming.

1
The Captains (2011)
★ 6.4/10Also documentary
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.
2
The AI Doc: Or How I Became an Apocaloptimist (2026)
★ 6.9/10Also documentary
A father-to-be tries to figure out what is happening with all this AI insanity, and explores the most powerful technology humanity has ever created... and what's at stake if we get it wrong.
3
Unknown: Cave of Bones (2023)
★ 7.1/10Also documentary
Scientists examine underground clues from over 250,000 years ago that raise questions about our early relatives — and what it truly means to be human.
4
Hell House (2001)
★ 6.4/10Also documentary
A look at the "Hell House" performed annually in October by the youth members of Trinity Church (Assemblies of God) in Cedar Hill, Texas (a Dallas suburb) — seen by over 10,000 visitors each year.
5
180° South (2010)
★ 7.2/10Also documentary
The film follows adventurer Jeff Johnson as he retraces the epic 1968 journey of his heroes Yvon Chouinard and Doug Tompkins to Patagonia.
6
Elstree 1976 (2015)
★ 6.2/10Also documentary
A documentary about ten very different lives connected by having appeared onscreen wearing masks or helmets in Star Wars.
7
The Secret (2006)
★ 6.6/10Also documentary
Interviews with leading authors, philosophers and scientists, with an in-depth discussion of the Law of Attraction. The audience is shown how they can learn and use 'The Secret' in their everyday lives.
8
Aliens of the Deep (2005)
★ 6.1/10Also documentary
James Cameron teams up with NASA scientists to explore the Mid-Ocean Ridge, a submerged chain of mountains that band the Earth and are home to some of the planet's most unique life forms.
9
Above Majestic (2018)
★ 7.4/10Also documentary
A look at the origins, history and conspiracies behind the "Majestic 12", a clandestine group of military and corporate figureheads charged with reverse-engineering extraterrestrial technology.
10
Jonestown: The Life and Death of Peoples Temple (2006)
★ 7/10Also documentary
Featuring never-before-seen footage, this documentary delivers a startling new look at the Peoples Temple, headed by preacher Jim Jones who, in 1978, led more than 900 members to Guyana, where he orchestrated a mass…
11
My Octopus Teacher (2020)
★ 7.9/10Also documentary
After years of swimming every day in the freezing ocean at the tip of Africa, Craig Foster meets an unlikely teacher: a young octopus who displays remarkable curiosity. Visiting her den and tracking her movements for…
12
Behind the Curve (2018)
★ 6.3/10Also documentary
Meet the growing, worldwide community of theorists who defend the belief that the Earth is flat while living in a society who vehemently rejects it.
13
Billie Eilish - Hit Me Hard and Soft: The Tour (Live in 3D) (2026)
★ 8.4/10Also documentary
Captured during Billie Eilish's sold-out world tour, a concert experience from one of the most celebrated and successful artists of her generation, presented in immersive 3D.
14
The Mole: Undercover in North Korea (2020)
★ 7.1/10Also documentary
A real-life undercover thriller about two ordinary men who embark on an outrageously dangerous ten-year mission to penetrate the world's most secretive and brutal dictatorship: North Korea.
15
Audrey (2020)
★ 7.1/10Also documentary
An unprecedented and intimate look at the life, work and enduring legacy of British actress Audrey Hepburn (1929-1993).
16
56 Up (2012)
★ 7.2/10Also documentary
When a cross-section of seven-year-olds were interviewed for 7 Up in 1964 it was immediately evident that their social backgrounds influenced their attitudes towards life. While the upper class children were confident…
17
AlphaGo (2017)
★ 7.7/10Also documentary
The ancient Chinese game of Go has long been considered a grand challenge for artificial intelligence. Yet in 2016, Google's DeepMind team announced that they would be taking on Lee Sedol, the world's most elite Go…
18
I Am Heath Ledger (2017)
★ 7.4/10Also documentary
The life and career of an actor, artist, and icon. His own journey through his own camera.
19
Unknown: The Lost Pyramid (2023)
★ 7.3/10Also documentary
Egyptian archaeologists dig into history, discovering tombs and artifacts over 4,000 years old as they search for a buried pyramid in this documentary.
20
Beyond Infinity: Buzz and the Journey to Lightyear (2022)
★ 7/10Also documentary
Explore the evolution of Buzz Lightyear from toy to human in the making of Pixar’s Lightyear. Dive into the origin and cultural impact of everyone’s favorite Space Ranger, the art of designing a new “human Buzz,” and…