Duration
60 minutes
Series Info
Season 4 Episode 3 of 15
Quick Summary
Experts investigate the 'greys', rumoured to be alien life forms
About This Program
Experts investigate mysterious beings with big heads and eyes, whose images were found carved into rocks. Known as the 'greys', they are rumoured to be alien life forms
Ancient Aliens broadcasts on Sky History 2 HD at 11:00pm, Wednesday, 24 December 2025.
Channel Numbers:
Virgin186
Production Details
Runtime60 mins
