Ancient Aliens: ANCIENT BATTLE FOR ALIEN SKIES (Season 12) | History

Watch all new episodes of Ancient Aliens, and stay up to date on all of your favorite History Channel shows at https://history.com/schedule. According to Ancient Astronaut Theorists believe the fall of the ancient metropolis Mohenjo-daro may have been caused by advanced alien technology, in this clip from Season 12, "The Nuclear Agenda." #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full episodes on our site: https://histv.co/AncientAliens Check out exclusive HISTORY content: History Newsletter - https://histv.co/newsletter Website - https://histv.co/History Facebook - https://histv.co/Facebook Twitter - https://histv.co/Twitter HISTORY® is the leading destination for award-winning original series and specials that connect viewers with history in an informative, immersive, and entertaining manner across all platforms. The network’s all-original programming slate features a roster of hit series, premium documentaries, and scripted event programming.