Tune in to Alien Invasion Week on History starting Monday 9/30 through Friday 10/4 for new Ancient Aliens, plus the premiere of In Search Of, new UFO Specials ... 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

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

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. 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. source