Watch all new episodes of Ancient Aliens returning soon, and stay up to date on all of your favorite History Channel shows at https://history.com/schedule. source

Watch new episodes of Ancient Aliens Saturdays at 9/8c, and stay up to date on all of your favorite History Channel shows at https://history.com/schedule. source

The search continues with new episodes of In Search Of Fridays at 10/9c! In Northern India, caves may hold the secrets to finding alien life on earth in this clip ... source

Watch all new episodes of Ancient Aliens returning soon, and stay up to date on all of your favorite History Channel shows at https://history.com/schedule. source

Watch all new episodes of Ancient Aliens returning soon, and stay up to date on all of your favorite History Channel shows at https://history.com/schedule. source

Is it possible that the pyramids were built with a helping hand... from aliens? If not, how on Earth did the Egyptians built them without modern technology? source

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 ... source

Watch new episodes of Ancient Aliens Saturdays at 9/8c, and stay up to date on all of your favorite History Channel shows at https://history.com/schedule. source

Watch all new episodes of Ancient Aliens returning soon, and stay up to date on all of your favorite History Channel shows at https://history.com/schedule. source

Watch all new episodes of Ancient Aliens returning soon, and stay up to date on all of your favorite History Channel shows at http://history.com/schedule. Hitachi ... source

Like Ancient Aliens? Catch our new series The UnXplained with William Shatner, Fridays at 10/9c after Ancient Aliens! Some Ancient Astronaut Theorists ... source

Watch all new episodes of Ancient Aliens returning Saturday, April 11th at 9/8c, and stay up to date on all of your favorite History Channel shows at ... source