Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.
Presents evidence that visitors from other galaxies shared their advanced knowledge with ancient man.
There are no TV Airings of Are We Alone in the Universe? in the next 14 days.
Add Are We Alone in the Universe? to your Watchlist to find out when it's coming back.
Check if it is available to stream online via "Where to Watch".