Season 4 - Episode Guide

Team One races to track down Ed's shooter, while his wife has problems delivering their baby.

Team One's armed escort of a police officer acquitted of killing an unarmed black student is jeopardized by a riotous mob.

Team One goes up against a notorious serial armed robber with a huge online following.

The armed abduction of a mother and daughter leads the SRU to a broken family, a ruthless betrayal, and a deadly conclusion.

Team One struggles with a secret that could compromise their drug bust and end Wordy's career.

A new recruit joins the team on one of the traditionally toughest days of their year.

Spike leaves his dying father's bedside to help Team One diffuse their largest bomb threat yet.

As Parker negotiates with hijackers, the rest of Team One prepares for the worst – a tactical response not everyone will survive.

Team One tracks a masked gunman terrorizing a group of teenagers.

When a ransom drop goes wrong, Team One is drawn into the dangerous world of 'express kidnapping'.

An armed robbery exposes a mother's double life, while Ed gambles with his own safety and a promise he made his family.

When shots are fired at Donna's wedding, the team races to save their old colleague, uncovering a vendetta from Donna's past.

When a Chinatown gang kidnaps a local shop owner, Team One ends up on a collision course with his fearless daughter.

A heist at a stadium lures Team One into an ex-cop's plan to defeat the man he blames for ruining his life - Sgt. Greg Parker.

When Sam's sister is threatened, Spike steps up to protect her and ends up forced to square off against his own team.

Team One defuses an explosive conflict at a high‐security psychiatric hospital, only to find that a patient has escaped.

Dr. Toth confronts Parker with devastating news; Team One responds to a break-in at a bio-lab across town.

A murder attempt on an injured firefighter draws Team One into the world of serial arsonists.