X
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.
The Definitive Guide to Aliens Season 1 Episodes
Season 1 Episode Guide
Season 1
3 Episodes 2013 - 2013
Episode 1
What to Expect
Tue, Mar 19, 2013 60 mins
Part 1 of 2. Scientists examine where aliens might live and if they will ever visit Earth.
Episode 2
How to Prepare
Tue, Mar 26, 2013 60 mins
Conclusion. Examining how humans might prepare for potential alien encounters.
Episode 3
When UFOs Attack
Sun, Jan 20, 2019 60 mins
New discoveries and the latest declassified science reveal the dark evidence of alien life: how they will get here, where they will come from, and what they will do when they arrive.