Movies Like Aliens and Agenda 21

If you liked Aliens and Agenda 21 (2018), a documentary movie directed by Robert D. Miles, 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
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.
2
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.
3
Ex Libris: The New York Public Library (2017)
★ 6.4/10Also documentary
A documentary about how a dominant cultural and demographic institution both sustains their traditional activities and adapts to the digital revolution.
4
My Mom Jayne (2025)
★ 8/10Also documentary
Through deeply personal interviews with her siblings and an examination of the photographs, letters, and belongings left behind, Mariska assembles a new portrait of her mother Jayne Mansfield, an extraordinary and…
5
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.
6
Hell House (2001)
★ 6.3/10Also 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.
7
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.
8
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.
9
Western Stars (2019)
★ 7/10Also documentary
The incomparable Bruce Springsteen performs his critically acclaimed latest album and muses on life, rock, and the American dream, in this intimate and personal concert film co-directed by Thom Zimny and Springsteen…
10
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.
11
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.
12
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…
13
Capital in the Twenty-First Century (2019)
★ 6.5/10Also documentary
Film adaptation of French economist Thomas Piketty's ground-breaking global bestseller of the same name: an eye-opening journey through wealth and power.
14
The House I Live In (2012)
★ 7.6/10Also documentary
In the past 40 years, the War on Drugs has accounted for 45 million arrests, made America the world's largest jailer, and destroyed impoverished communities at home and abroad. Yet drugs are cheaper, purer, and more…
15
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.
16
David Byrne's American Utopia (2020)
★ 7.5/10Also documentary
A filmed version of David Byrne's Broadway show, a unifying musical celebration that inspires audiences to connect to each other and to the global community.
17
Naqoyqatsi (2002)
★ 6.2/10Also documentary
A visual montage portrait of our contemporary world dominated by globalized technology and violence.
18
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.
19
Earth: One Amazing Day (2017)
★ 7.7/10Also documentary
An astonishing journey revealing the awesome power of the natural world. Over the course of one single day, we track the sun from the highest mountains to the remotest islands to exotic jungles.
20
An Inconvenient Truth (2006)
★ 6.9/10Also documentary
A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.