Playlist Ancient Aliens Returns with a 2 Hour Special 0:15 Date: May 13, 2019 See Video DetailsHide Video Details Report A Problem Are we simply realizing mankind’s future or returning to its extraterrestrial past? Ancient Aliens returns to HISTORY Canada with a 2-hour special Friday May 24 at 8pm. Full Episodes All Seasons All Seasons Season 13 Season 23 Watch on Global App Ancient Aliens S23 E99: Mystery of the Standing Stones 43:19 Jan 23, 2022 Watch on Global App Ancient Aliens S13 E88: Top 10 - Alien Artifacts 43:19 Dec 19, 2021 Watch on Global App Available for 1 day Ancient Aliens S13 E88: Top 10 - Alien Artifacts 43:19 Dec 17, 2021 Watch on Global App Available for 1 day Ancient Aliens S13 E89: Top 10 - Alien Encounters 43:19 Dec 10, 2021 Watch on Global App Available for 1 day Ancient Aliens S13 E90: Top 10 - Alien Cover Ups 43:19 Dec 3, 2021 Watch on Global App Available for 1 day Ancient Aliens S13 E87: Top 10 - Mysterious Sites 43:19 Nov 26, 2021 No Results. Please adjust filters. Load More