Shows Like Top Secret UFO Projects Declassified

If you liked Top Secret UFO Projects Declassified (2021), a documentary series, here are 20 shows with a similar feel, based on TMDB's recommendations. Each one links to its cast, trailer and where it's streaming.

1
Hangar 1: The UFO Files (2015)
★ 7.3/10Also documentary
Delve deep into a vast archive of over 70,000 UFO files gathered over nearly half a century in Hangar 1. MUFON, an independent organization dedicated to investigating UFOs, has compiled these archives looking for…
2
Ancient Aliens (2010)
★ 7.1/10Also documentary
Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode gives historic…
3
Heaven's Gate: The Cult of Cults (2020)
★ 6.8/10Also documentary
What started in 1975 with the disappearance of 20 people from a small town in Oregon, ended in 1997 with the largest suicide on US soil and changed the face of modern New Age religion forever. This four-part docuseries…
4
Mysteries at the Museum (2010)
★ 8.8/10Also documentary
Don Wildman unearths relics from the world's greatest institutions to reveal secrets from the past. He examines each artifact to illuminate history's most incredible triumphs, sensational crimes and bizarre encounters.
5
Encounters (2023)
★ 6.8/10Also documentary
Mass UFO sightings from the last 50 years fuel a mystery in this documentary series featuring eyewitness accounts, expert interviews and new evidence.
6
MythBusters (2003)
★ 7.8/10Also documentary
MythBusters is a science entertainment television program created and produced by Australia's Beyond Television Productions for the Discovery Channel. The show's hosts, special effects experts Adam Savage and Jamie…
7
The World According to Jeff Goldblum (2019)
★ 6.6/10Also documentary
Through the prism of Jeff Goldblum's always inquisitive and highly entertaining mind, nothing is as it seems. Each episode is centered around something we all love — like sneakers or ice cream — as Jeff pulls the…
8
American Experience (1988)
★ 6.5/10Also documentary
TV's most-watched history series brings to life the compelling stories from our past that inform our understanding of the world today.
9
American Masters (1986)
★ 7/10Also documentary
American Masters is a PBS television series which produces biographies on enduring writers, musicians, visual and performing artists, dramatists, filmmakers, and others who have left an indelible impression on the…
10
How It's Made (2001)
★ 7.7/10Also documentary
Have you ever wondered how the products you use every day are made? How It's Made leads you through the process of how everyday products, such as apple juice, skateboards, engines, contact lenses, and many more objects…
11
Horizon (1964)
★ 7.5/10Also documentary
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
12
Investigation Alien (2024)
★ 7.2/10Also documentary
In this gripping docuseries, legendary reporter George Knapp travels the globe to uncover new evidence about UFOs and investigate their presence on Earth.
13
America's Book of Secrets (2012)
★ 7.2/10Also documentary
Have you ever wondered what goes on behind the scenes of the most legendary monuments and powerful organizations in the United States? America’s Book of Secrets lifts the veil of mystery, giving you unparalleled access…
14
Prehistoric Planet (2022)
★ 8.3/10Also documentary
Experience the wonders of our world like never before in this epic series from Jon Favreau and the producers of Planet Earth. Travel back 66 million years to when majestic dinosaurs and extraordinary creatures roamed…
15
Earth at Night in Colour (2020)
★ 8.1/10Also documentary
Filmed across six continents, this docuseries uses cutting-edge camera technology to capture animals' nocturnal lives, revealing new behaviours filmed in full color like never before.
16
Deadliest Warrior (2009)
★ 7.4/10Also documentary
Deadliest Warrior was a television program in which information on historical or modern warriors and their weapons are used to determine which of them is the "deadliest" based upon tests performed during each episode…
17
Life After People: The Series (2009)
★ 7.3/10Also documentary
Life After People is a television series on which scientists, structural engineers, and other experts speculate about what might become of Earth should humanity instantly disappear. The featured experts also talk about…
18
History's Greatest Mysteries (2020)
★ 7.7/10Also documentary
Investigates a wide range of historically compelling topics and the mysteries surrounding each including the Titanic, D.B. Cooper, Roswell, John Wilkes Booth, and more. Fresh, new evidence and perspectives will be…
19
MegaStructures (2004)
★ 7.5/10Also documentary
MegaStructures is a documentary television series appearing on the National Geographic Channel in the United States and the United Kingdom, Channel 5 in the United Kingdom, France 5 in France, and 7mate in Australia…
20
Top Gear (1978)
★ 8/10Also documentary
Motoring programme featuring reviews of and reports about cars of all types.