Zero Day: Season 1
2025 · 6 episodes · ★ 6.6
Limited Series
What Season 1 of Zero Day
Season 1 of Zero Day has 6 episodes and premiered on February 20, 2025. Here's the complete episode guide with air dates, runtimes and ratings.
Season 1 Episodes
1x01 Episode 1
Former President George Mullen's comfortable retirement is upended after he's asked to lead an investigation into a horrific cyberattack.
Directing: Lesli Linka Glatter · Writing: Noah Oppenheim, Eric Newman · Starring: Mark Ivanir, Hannah Gross, Geoffrey Cantor, Nikita Bogolyubov
1x02 Episode 2
Mullen's commission investigates a hacking ring. President Mitchell weighs retaliation. A powerful figure has demands for Roger.
Directing: Lesli Linka Glatter · Writing: Noah Oppenheim, Eric Newman · Starring: Mark Ivanir, Clark Gregg, Nikita Bogolyubov, Cuyle Carvin
1x03 Episode 3
Mullen's initial arrests draw blowback from the public — especially TV pundit Evan Green. Alex faces pressure to investigate her father.
Directing: Lesli Linka Glatter · Writing: Roberto Patino · Starring: Mark Ivanir, Clark Gregg, Mozhan Navabi, Jay Klaitz
1x04 Episode 4
A shock to the financial system increases scrutiny on Mullen's commission. Valerie investigates Proteus. Roger must make a difficult choice.
Directing: Lesli Linka Glatter · Writing: Eli Attie · Starring: Cuyle Carvin, Gaby Hoffmann, Mozhan Navabi, Jay Klaitz
1x05 Episode 5
A personal tragedy reopens old wounds for the Mullen family. Speaker Dreyer pushes for a change in leadership. Sheila testifies before Congress.
Directing: Lesli Linka Glatter · Writing: Dee Johnson · Starring: Cuyle Carvin, Gaby Hoffmann, Mozhan Navabi, Jay Klaitz
1x06 Episode 6 Season Finale
A new threat creates further unrest across the nation. As he narrows in on the culprit, Mullen is faced with an agonizing decision.
Directing: Lesli Linka Glatter · Writing: Noah Oppenheim, Eric Newman · Starring: Cuyle Carvin, Mozhan Navabi, Jay Klaitz, Eden Lee
Season 1 Cast
Joan AllenSheila Mullen6 episodes
Bill CampCIA Director Jeremy Lasch6 episodes
McKinley Belcher IIICarl Otieno6 episodes
Cuyle CarvinAgent Tom McCarthy5 episodes
Jay KlaitzTim Pennington5 episodes
Johnath DavisWhite House Aide5 episodes
TJ LeeDoris5 episodes
Eden LeeAngela Kim4 episodes
Mike McGowanField Ops Commander4 episodes
Andre Da SilvaMotorcade Driver4 episodes
Erick McAllisterBald Man4 episodes
Alexis CashMullen's Aide - Allison4 episodes
Jackson EickNick Mullen3 episodesWhere to Watch Season 1 of Zero Day
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Frequently Asked Questions
How many episodes are in season 1 of Zero Day?
Season 1 of Zero Day has 6 episodes.
When did season 1 of Zero Day premiere?
It premiered on February 20, 2025.
Where to watch season 1 of Zero Day?
In Spain, on Netflix and Netflix Standard with Ads.
What is the best episode of Season 1?
According to the TMDB audience score, episode 1x01, "Episode 1," has a 6.9.