When did Zero Day Season 1 Episode 4 air?
Zero Day Season 1 Episode 4 aired on February 20, 2025.


Truth has been weaponized.
A former U.S. President is called out of retirement to find the source of a deadly cyberattack, only to discover a vast web of lies and conspiracies.

A shock to the financial system increases scrutiny on Mullen's commission. Valerie investigates Proteus. Roger must make a difficult choice.
Direct answers for episode-level questions and details.
Zero Day Season 1 Episode 4 aired on February 20, 2025.
This episode runs for approximately 54 minutes.
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