Plot Synopsis

These special compilation episodes of ANCIENT ALIENS explore the controversial theory that extraterrestrials have visited Earth for millions of years.

Season 2 of ANCIENT ALIENS SPECIAL PRESENTATION premiered on Monday, October 2, 2023 from 9-11pm ET/PT on History Channel. In the season opener, "Unidentified Aerial Phenomena," military and commercial pilots are stepping forward with photo and video evidence of Unidentified Aerial Phenomena; these contemporary sightings share an eerie resemblance to unexplainable objects chronicled in historical records.
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On Monday, January 8, 2024 from 9-11pm ET/PT, History Channel premiered "Aliens and the Unseen," the Season 2 finale of ANCIENT ALIENS SPECIAL PRESENTATION. Is it possible that shadow people, spirits, poltergeists, and other enigmatic entities are rooted in reality? These strange beings have appeared in ancient texts and folklore worldwide, hinting at a more profound significance to this phenomenon. Could it really be that these otherworldly visitors coexist among us, crossing over from unseen dimensions into our world? And if so, could extraterrestrial visitation originate not from other planets, but from these unseen realms within our reality?