When did The 100 Season 4 Episode 1 air?
The 100 Season 4 Episode 1 aired on February 1, 2017.


Survival isn't who you are. It's who you become.
100 years in the future, when the Earth has been abandoned due to radioactivity, the last surviving humans live on an ark orbiting the planet — but the ark won't last forever. So the repressive regime picks 100 expendable juvenile delinquents to send down to Earth to see if the planet is still habitable.

Clarke and her friends struggle with how to proceed after the fate of the world is revealed.
Direct answers for episode-level questions and details.
The 100 Season 4 Episode 1 aired on February 1, 2017.
This episode runs for approximately 43 minutes.
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