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.
Zero Day (Season 1)
Episode 1 8.0
Air date: 2025-02-20
Runtime: 49 min
Overview: Former President George Mullen's comfortable retirement is upended after he's asked to lead an investigation into a horrific cyberattack.
Episode 2 7.3
Air date: 2025-02-20
Runtime: 59 min
Overview: Mullen's commission investigates a hacking ring. President Mitchell weighs retaliation. A powerful figure has demands for Roger.
Episode 3 7.3
Air date: 2025-02-20
Runtime: 50 min
Overview: Mullen's initial arrests draw blowback from the public — especially TV pundit Evan Green. Alex faces pressure to investigate her father.
Episode 4 7.3
Air date: 2025-02-20
Runtime: 54 min
Overview: A shock to the financial system increases scrutiny on Mullen's commission. Valerie investigates Proteus. Roger must make a difficult choice.
Episode 5 7.3
Air date: 2025-02-20
Runtime: 44 min
Overview: A personal tragedy reopens old wounds for the Mullen family. Speaker Dreyer pushes for a change in leadership. Sheila testifies before Congress.
Episode 6 7.3
Air date: 2025-02-20
Runtime: 54 min
Overview: A new threat creates further unrest across the nation. As he narrows in on the culprit, Mullen is faced with an agonizing decision.
Seasons
Episodes 6