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Is it possible that other intelligent species exist in the universe? If so, is there evidence of these extraterrestrials hiding in plain sight? See more in Season 1, Episode 6, “Signs of Alien Life.“ Watch your favorite episodes of The UnXplained, and stay up to date on all of your favorite The HISTORY Channel shows at Check out more full episodes of The UnXplained on YouTube here- and on Google Play! #TheUnXplained Subscribe for more from The UnXplained and other great The HISTORY Channel shows: Watch more The UnXplained on YouTube in this playlist: Find out more about the show and watch full episodes on our site: Check out exclusive The HISTORY Channel content: History Newsletter - Website - Facebook - Twitter - From the producers of Ancient Aliens and The Curse of Oak Island comes The UnXplained, a one-hour, non-fiction series that explores the world’s most fascinating, strange and inexplicable mysteries. Hosted and executive produced by Golden Globe and Emmy Award-winning actor William Shatner (Star Trek, Boston Legal) each episode will feature compelling contributions from scientists, historians, witnesses and experiencers—each seeking to shed light on how the seemingly impossible actually can happen. The HISTORY® Channel, a division of A E Networks, is the premier destination for historical storytelling. From best-in-class documentary events, to a signature slate of industry leading nonfiction series and premium fact-based scripted programming, The HISTORY® Channel serves as the most trustworthy source of informational entertainment in media. The HISTORY® channel has been named the #1 U.S. TV network in buzz for seven consecutive years by YouGov BrandIndex, and a top favorite TV network by Beta Research Corporation. For a deeper dive, visit or follow @history on Instagram, Twitter, Facebook, YouTube and TikTok. For additional press materials visit the A E Networks Press Center at .
