The WORST episodes of Zero Day
Every episode of Zero Day ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Zero Day!
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.
#1 - Episode 1
Season 1 - Episode 1 - Aired 2/20/2025
Former President George Mullen’s comfortable retirement is upended after he’s asked to lead an investigation into a horrific cyberattack.
#2 - Episode 2
Season 1 - Episode 2 - Aired 2/20/2025
Mullen's commission investigates a hacking ring. President Mitchell weighs retaliation. A powerful figure has demands for Roger.
#3 - Episode 3
Season 1 - Episode 3 - Aired 2/20/2025
Mullen’s initial arrests draw blowback from the public — especially TV pundit Evan Green. Alex faces pressure to investigate her father.
#4 - Episode 4
Season 1 - Episode 4 - Aired 2/20/2025
A shock to the financial system increases scrutiny on Mullen's commission. Valerie investigates Proteus. Roger must make a difficult choice.
#5 - Episode 6
Season 1 - Episode 6 - Aired 2/20/2025
A new threat creates further unrest across the nation. As he narrows in on the culprit, Mullen is faced with an agonizing decision.
#6 - Episode 5
Season 1 - Episode 5 - Aired 2/20/2025
A personal tragedy reopens old wounds for the Mullen family. Speaker Dreyer pushes for a change in leadership. Sheila testifies before Congress.