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HISTORYCHANNEL

Could a lost metropolis lie beneath the waters off Louisiana? Does a cryptic English carving point the way to the Holy Grail? And might the enigmatic Peralta Stones reveal the path to desert gold? Tony Harris and his team investigate compelling footage of ancient ruins and relics from around the world and deliver their verdict.

The Proof Is Out There: Unexplained Edition

Ancient Ruins & Relics

What's behind the brain-numbing noise tormenting Brooklyn residents?; has Bigfoot's call finally been caught on tape?; are the eerie sounds recorded on Mars a message from an alien race?; Tony Harris and his team investigate chilling audio evidence.

Bizarre Sounds

Did a video camera capture a ghostly child darting through a cemetery?; could a toddler be communicating with her deceased uncle?; is a spinning jar in a kitchen cupboard proof of an unseen force at work?

Supernatural Forces

Did a camper in Florida film the legendary Bigfoot?; could dinosaurs be stalking suburban backyards?; was a goblin really caught on a Kentucky security camera?; Tony Harris and his team analyze compelling footage of strange creatures.

Strange Species

Is a mysterious underwater force stranding deep-sea fish in California?; did a fisherman capture a giant sea serpent on camera?; could the latest Loch Ness Monster footage be the most convincing in years?

Mysterious Underwater Creatures

Does a Connecticut man summon a UFO? Are the mysterious lights over the pyramids of Giza visitors from another world? Can an Okla. man make contact with aliens?

Alien Encounters

Exploring phenomena captured on camera; investigating UFOs, cryptids, strange encounters and unexplained forces; Tony and a team of experts analyze the evidence and deliver their verdict.

S1 E2 | Mysterious Underwater Creatures

E6 | Ancient Ruins & Relics

E5 | Bizarre Sounds

E4 | Supernatural Forces

E3 | Strange Species

E2 | Mysterious Underwater Creatures

E1 | Alien Encounters