If ancient aliens visited Earth in the remote past, could they have given us advanced technology, past down through human history? And could this technology have helped the Third Reich build mysterious weapons and crafts far beyond the limits of 20th century science?

Aired on 11/25/2010
7.8/10 • 29 voting

Ancient Aliens • S02E05
Giorgio A. Tsoukalos Giorgio A. Tsoukalos
Robert Clotworthy Robert ClotworthyNarrator
Albert Einstein Albert EinsteinHimself (Archive footage)
Kevin BurnsExecutive Producer