第 4 季 共 18 集
播出时间：2011年7月9日
第 1 集 Personal Effects (2)
播出时间：2011年7月9日
The team members hunt for the gunman who shot Ed and learn that the shooter is linked to a drug lord. Meanwhile, Ed undergoes surgery; and his wife experiences complications while delivering their baby.
第 2 集 Good Cop
播出时间：2011年7月16日
When a cop who mistakenly shot and killed a young boy is declared innocent, Team One confronts a rioting crowd and the father whose dreams died the night he lost his son.
第 3 集 Run, Jaime, Run
播出时间：2011年7月23日
When Team One goes up against a notorious serial robber who streams his robberies on the live Internet, they discover there is more to this man’s mission than first appears.
第 4 集 Through a Glass Darkly
播出时间：2011年7月30日
The Strategic Response Unit is called when a mother and daughter are abducted, and the only clue they have about the culprit could expose a dark family secret.
第 5 集 The Better Man
播出时间：2011年8月6日
As a city-wide drug bust takes place, Team One struggles with a team member’s secret that could compromise their assignment and end Wordy’s career, on FLASHPOINT.
第 6 集 A Day in the Life
播出时间：2011年8月13日
When Raf, a new recruit, joins Team One, he learns what it means to be a member of the Strategic Response Unit on one of their toughest days of the year for hostage and suicide situations.
第 7 集 Shockwave
播出时间：2011年8月20日
Torn from his dying father’s bedside, Spike joins Team One to face their largest bomb threat yet, but realizes the only way to diffuse the bomb is to get inside the dangerous mind of its creator.
第 8 集 Grounded
播出时间：2011年9月20日
Hijackers commandeer a passenger jet to bargain for a prisoner release. The lives of forty passengers and crew hang in the balance of negotiations over the prisoner, a relative of the terrorists. An ambitious passenger irks the hijackers, when she starts to text the police. Team One eventually storms the jet at the city airport. Stressed, Parker agonizes over shooting the hijackers.
第 9 集 The War Within
播出时间：2011年9月28日
Team One tracks a masked gunman terrorizing a group of teenagers – and discovers troubling connections between an outspoken gay student, a manipulative therapist, and a young man desperate to win back his parents.
第 10 集 Cost of Doing Business
播出时间：2011年10月5日
When a ransom drop goes wrong, Team One is drawn into the dangerous world of “express kidnapping” and the nightmare of a woman haunted by the brutal experience of captivity. Meanwhile, Greg finds out about Sam and Jules' secretly renewed relationship.
第 11 集 Wild Card
播出时间：2011年10月12日
An armed robbery exposes a mother’s double life, while Ed gambles with his own safety and a promise he made to his family.
第 12 集 A New Life
播出时间：2011年11月2日
Ed walks his friend Donna Sabine down the aisle. It should be the happiest day of her life, but the peaceful wedding is shattered by gunfire. Then Donna and Ed make a shocking discovery.
第 13 集 A Call To Arms
播出时间：2011年11月9日
Team One investigates a violent kidnapping in Chinatown where a store owner and his daughter have disappeared. They discover that a ruthless street gang is behind the crime and, in the process, uncover a tragic family secret.
第 14 集 Day Game
播出时间：2011年11月16日
Team One races to Fletcher Stadium, where a knife-wielding robber has taken a hostage. When a security guard tries to be a hero, the situation turns bloody.
第 15 集 Blue on Blue
播出时间：2011年11月23日
Spike responds to a distress call from Sam's sister and finds himself in a hostile situation. The rest of Team One races to a call at the ultra-secure Metro Evidence Depot and finds a deadly connection between the two cases - one that puts Spike's life on the line.
第 16 集 Team Player
播出时间：2011年11月29日
Team One is called to a high-security psychiatric hospital where a violent patient has taken a guard hostage and injured a fellow patient.
第 17 集 Priority of Life
播出时间：2011年12月7日
Dr. Toth confronts Parker with devastating news; Team One responds to a break-in at a bio-lab across town.
第 18 集 Slow Burn
播出时间：2011年12月14日
During the season four finale, Team One races to a hospital when Fire Captain Simon Griggs interrupts the attempted murder of a badly burned firefighter. When they corner the suspect, the team learns he’s behind a series of deadly fires in the neighbourhood. Meanwhile Fire Captain Simon Griggs is forced to make a horrific choice – one that pushes him to the edge of revenge and suicide. Parker, wrestling with his own decision about his future on Team One, must convince this broken man to live.
