Encounters
Mass UFO sightings from the last 50 years fuel a mystery in this documentary series featuring eyewitness accounts, expert interviews and new evidence.…
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Series Like Investigation Alien
If you liked Investigation Alien, this Cinento mix gives you more titles with a similar feeling, rhythm, tension, comfort level, and after-watch taste. Start with 16 picks, then load more when you want a wider path.
Series Like Investigation Alien
Top Secret UFO Projects Declassified
Though claims of extraterrestrial encounters have long been dismissed, many believe the existence of UFOs is not just likely, but a certainty.…
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Hangar 1: The UFO Files
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 com…
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Ancient Aliens
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 …
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MythBusters
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 eff…
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Through the Wormhole
Hosted by Morgan Freeman, Through the Wormhole explores the deepest mysteries of existence - the questions that have puzzled mankind for eternity. What are we made of? What was the…
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History's Greatest Mysteries
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 …
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Seconds from Disaster
Seconds from Disaster is a US/UK-produced documentary television programme that investigates historically relevant man-made and natural disasters of the 20th century. Each episode …
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One Strange Rock
A mind-bending, thrilling journey exploring the fragility and wonder of planet Earth, one of the most peculiar, unique places in the entire universe, brought to life by the only pe…
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The Manhattan Alien Abduction
A woman claims to have been abducted from her bedroom in Manhattan. This docuseries explores whether it was an elaborate hoax — or proof of alien life.…
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The World According to Jeff Goldblum
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 …
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LIGHT & MAGIC
When George Lucas set out to make Star Wars, little did he know he would end up revolutionizing an industry. This is the story of a team of creative geniuses who put the magic in t…
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How Do They Do It?
An insider's look at the engineering and scientific miracles behind the things that form the modern world.…
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How the Universe Works
A users' guide to the cosmos, from the Big Bang to galaxies, stars, planets and moons: where did it all come from and how does it all fit together? A primer for anyone who has ever…
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People Magazine Investigates
Uncover the heart-wrenching true stories behind crimes that transcended headlines and became part of popular culture. Exclusive first hand interviews reveal shocking twists, new ev…
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Files of the Unexplained
Eerie encounters, bizarre disappearances, haunting events and more perplexing phenomena are explored in this chilling investigative docuseries.…
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Our Universe
Witness the remarkable story of our universe over billions of years and its inextricable link to life on Earth in this sweeping documentary series.…
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Into the Universe with Stephen Hawking
Hawking gives us the ultimate guide to the universe, a ripping yarn based on real science, spanning the whole of space and time -- from the nature of the universe itself, to the ch…
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Heaven's Gate: The Cult of Cults
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 relig…
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Blue Planet II
There is nowhere more powerful and unforgiving yet more beautiful and compelling than the ocean. Join us and explore the greatest yet least known parts of our planet.…
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MegaStructures
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 …
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Welcome to Earth
Will Smith whose curiosity and wonder is positively infectious—is guided by National Geographic Explorers traveling to different corners of the world to get up close and personal w…
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Cosmos: A Personal Voyage
Carl Sagan covers a wide range of scientific subjects, including the origin of life and a perspective of our place in the universe.…
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Mysteries at the Museum
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, sens…
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Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.…
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Life After People: The Series
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…
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American Monster
Monsters can be found lurking behind any innocent smile and on any street corner in America. Never-before-seen-video footage stares straight into the eyes of these killers who hide…
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Drain the Oceans
Maritime mysteries—old and new—come to life in this series, combining scientific data and digital re-creations to reveal shipwrecks, treasures, and sunken cities on the bottom of l…
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Disney Gallery / Star Wars: The Mandalorian
Executive producer Jon Favreau invites the cast and crew of The Mandalorian to share an unprecedented look at the making of the series. Each chapter explores a different facet of t…
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Quarterback
Follow the bruised bodies, soul-crushing fumbles, agonizing losses, and pure joy of three NFL quarterbacks during one season.…
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Earth at Night in Colour
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 befo…
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Superpowered: The DC Story
This docuseries takes an unprecedented look at the enduring and influential legacy of DC, allowing fans to rediscover the universe of characters, as well as the iconic comic book c…
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Cosmos
Famed astrophysicist Neil deGrasse Tyson provides clarity for the vision of the cosmos as he voyages across the universe with never-before-told stories that delve into the scientif…
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American Experience
TV's most-watched history series brings to life the compelling stories from our past that inform our understanding of the world today.…
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Top Gear
Motoring programme featuring reviews of and reports about cars of all types.…
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The Reluctant Traveller with Eugene Levy
Award-winning actor and nervous explorer Eugene Levy steps out of his comfort zone for a whirlwind tour of the world's most beautiful and intriguing destinations.…
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Frozen Planet II
Ten years on from the original Frozen Planet, this documentary series takes audiences back to the wildernesses of the Arctic and Antarctica and tells the complete story of the enti…
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Grand Designs
British television series which features unusual and often elaborate architectural homebuilding projects.…
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Modern Marvels
HISTORY’s longest-running series moves to H2. Modern Marvels celebrates the ingenuity, invention and imagination found in the world around us. From commonplace items like ink and c…
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Marvel Studios Assembled
Go behind the scenes of the shows and movies of the Marvel Cinematic Universe, following the filmmakers, cast and crew, and Marvel heroes every step of the way.…
Open full watch pageFAQ
How should I use Series Like Investigation Alien?
Start with the first row of picks and choose the title that matches your mood tonight. Use Load More when you want a wider path without leaving the same feeling zone.
Why do these picks belong together?
Cinento looks at the feeling behind the search: tone, pacing, tension, comfort level, genre lane, and the kind of emotional aftertaste people usually want from this mix.
Is this mix only for people who already know the main title?
No. The title is a shortcut. You can use the mix even if you simply want the same mood, pressure, or story energy.
Can I find official watch options from here?
Yes. Open any title card and check the Stream / Rent / Buy section for official provider options when they are available in your region.