Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate.
Ancient Aliens (Season 22)
Skulls of the Gods (Episode 1) 8.5
Air date: 2026-01-15
Runtime: 42 min
Overview: In every corner of the world, archaeologists have found strange, elongated skulls. Did our ancestors modify the shape of their skulls to resemble extraterrestrials? And might it even be possible that some of these skulls are of otherworldly origin?
Egypt's Lost Pyramids (Episode 2) 7.0
Air date: 2026-01-22
Runtime: 42 min
Overview: High above the Giza Plateau stands Egypt's most mysterious ancient site: the Lost Pyramid of Abu Rawash; today, it lies in ruins, but some researchers believe these stone blocks hold profound secrets about an extraterrestrial civilization that existed in ancient Egypt long before our recorded history.
Island of the Gods (Episode 3) 7.0
Air date: 2026-01-29
Runtime: 42 min
Overview: In the western Pacific Ocean is a vast area known as Oceania that is home to the world's most remote and mysterious islands. They are known for massive stone structures, statuary strange figures, and countless legends of otherworldly visitors. Could it be that these islands are the remnants of a lost alien civilization?
Extraterrestrial Engineering (Episode 4) 7.0
Air date: 2026-02-05
Runtime: 42 min
Overview: Host Giorgio Tsoukalos probes the series archives to explore remarkable ancient structures that defy conventional explanation. From the precisely cut stone blocks at Puma Punku, to the gigantic temples of Malta, and the megalithic city of Nan Madol, could these mysterious sites contain evidence of extraterrestrial contact in the distant past?
UFO Hot Spots (Episode 5) 7.0
Air date: 2026-02-26
Runtime: 42 min
Overview: Found along the California coast to New York’s Hudson Valley, and Northern England to Southern Chile, could these mysterious locations provide evidence of an extraterrestrial presence on Earth?
Mysterious Monuments (Episode 6) 7.0
Air date: 2026-03-05
Runtime: 42 min
Overview: From a stone circle in Turkey that challenges the timeline of human history to gigantic stone spheres in Bosnia and Egypt’s most unusual tombs, could these monuments provide proof of extraterrestrial visitation?
Seasons
Episodes 5
Episodes 10
Episodes 16
Episodes 10
Episodes 12
Episodes 11
Episodes 8
Episodes 8
Episodes 12
Episodes 10
Episodes 15
Episodes 16
Episodes 15
Episodes 22
Episodes 12
Episodes 10
Episodes 7
Episodes 20
Episodes 20
Episodes 20
Episodes 20
Episodes 6
Episodes 10