Ancient Aliens

1:00 AM to 2:00 AM

Tuesday 25 February

Forbidden Caves

Season 7 Episode 3 of 12

An investigation into whether Earth's deepest caves could contain secret conduits to other worlds, or harbour evidence that aliens once visited the planet

Ancient Aliens airs on Sky History 2 HD at 1:00 AM, Tuesday 25 February.

Topics

Education ➝ Science ➝ Factual Topics

General