Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.
10 Episodes 2021 - 2021
Episode 1
Thu, Mar 11, 2021
Security guards patrolling the basement of an empty municipal building are shocked when they encounter a door repeatedly opening and violently slamming shut; experts investigate a connection to black magic rituals and the building's disturbing past.
Episode 2
Thu, Mar 18, 2021
A boy who can turn his head 180 degrees and face directly behind him resembles infamous accounts of demonic possession from horror films; experts use cutting-edge technology to find out what's giving him this extreme ability.
Episode 3
Thu, Mar 25, 2021
A close encounter with an enraged ape-like creature in Russia is caught on camera, experts investigate if it's evidence of a once-extinct Neanderthal specimen engineered by a nearby experimental research facility.
Episode 4
Thu, Apr 1, 2021
A bizarre explosion is captured that morphs into a sinister black ring of smoke above a California football stadium; experts investigate and uncover an underground network of Satanists with connections to a string of modern-day terrorist plots.
Episode 5
Thu, Apr 8, 2021
Security cameras in an underground parking garage capture an empty car starting and moving as if driven by a ghost; experts investigate and discover a sinister threat that might put any vehicle at risk.
Episode 6
Thu, Apr 15, 2021
A dark object is captured flying among skyscrapers in China, and an explosion engulfs the side of a high-rise in flames at the same moment; experts investigate this astonishing evidence of terrifying, dragon-like creatures.
Episode 7
Thu, Apr 22, 2021
When footage reveals a man's leg taking on a life of its own, it appears that something alien is trying to burst free; cutting-edge science investigates what explains this strange and sinister possession, and what it takes to exorcise the invader inside.
Episode 8
Thu, Apr 29, 2021
Footage of a fearsome wolf-like creature in the remote wilderness of northern Canada could be evidence of a dire wolf, a prehistoric beast that went extinct at the end of the last Ice Age; experts use cutting-edge tech to investigate if it has returned.
Episode 9
Thu, May 6, 2021
A bizarre, tentacled black mass emerges from the seas on an island in the Caribbean, and on-lookers are horrified as it writhes ashore; experts use cutting-edge tech to investigate the origin of this alien invader.
Episode 10
Thu, May 13, 2021
A man sees a doctor complaining of agonizing facial pain, and when they investigate, they discover a strange parasitic species living deep in the man's nose; footage of the grisly encounter reveals what happened next.