Ancient Aliens: Season 9 travels the universe across an expanse of tens of thousands of years to the present day as we investigate the possibilities and probabilities of life beyond Earth. We look at the unexplainable enormous man-made caves, structures, crop circles containing encrypted messages, and complex mathematical and astronomical equations perplexing our leading scientists. Episodes include: Pyramids of Antarctica; Destination Mars; The Next Humans; The New Evidence; The Visionaries; Decoding the Cosmic Egg; The Wisdom Keepers; The Mysterious Nine; The Hidden Empire; The Prototypes; Space Station Moon; Russia’s Secret Files; Beyond Roswell; The Returned; and Shiva the Destroyer. Includes interviews with David Hatcher Childress, Giorgio Tsoukalos, Erich von Daniken, Mike Bara, William Henry, and many others. Fifteen episodes from Season 9 packed onto 4 DVDs.