The second of the two-part series finale, and Team One faces a serial bomber who takes an entire city hostage. They are put to the ultimate test in this shocking conclusion, changing Team One forever.

In part one of the series finale, Team One faces it’s most chilling adversary yet: a brilliant serial bomber who takes an entire city hostage. They are put to the ultimate test in this shocking conclusion, changing Team One forever.

A tragic shooting on a city ferry forces Ed to confront his deepest fears and threatens to tear Team One apart.

The SRU attempts to rescue a kidnapped girl who is being held at a booby-trapped house, but while on the job they learn that one of the abductors is a teen who went missing several years earlier.

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.

When a young man holds a courtroom hostage in an attempt to clear his name for a crime he didn't commit, an SRU team member is in the wrong place at the wrong time and must find a way to safely defuse a critical situation.

When a group of girls torment a troubled teen at the mall, the teenage rivalry turns deadly. The SRU is forced to put a lock down in place to control the situation.

A girl calls a 911 dispatcher to say an intruder in trying to break in, the dispatcher doesn't believe that an actual intruder is breaking into the house until gunshots are heard. When SRU arrives on scene there is no sign of the girl. Greg's son comes for a visit.

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.

Team One must keep the peace when a broken, volatile man goes to dangerous extremes to set things right with his ex-wife and his estranged daughter.

The team must track down a young woman dying of a brain disease when she and her finacé go on a crime spree.

A wave of terrorist bombs shuts down the city, pushing Team One to the limit and putting one of their own on the line.

In the wake of a museum gala shooting spree, the SRU's actions and judgments are called into question; however, the investigator seems to be focusing on Sgt. Parker in particular.

Team One is stunned when someone hacks into their ultra-secure computer system -- to show the team the video of a crime in progress. The team speeds after the thieves, who've stolen an eighteen-wheeler full of volatile chemicals. Ed is forced to take a risky sniper shot as Spike tracks down the hacker (Kris Lemche) who set Team One on the case. Untangling the hacker’s motives, Spike finds a young man who's put his life at risk to rescue the girl he loves (Meaghan Rath).

The team have to protect some VIPs, only to find they have a kidnapping on their hands and limited time to rescue the victim.

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.

A dying girl desperately needs a heart transplant and her father will do whatever it takes to make sure she gets one. Even if it means endangering his own life. The team is called and Parker attempts to defuse the situation.

The team tries to capture a gunman who's shooting inside a historic arena. The investigation causes Sam to question his place on the team.

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.

The SRU are called to a bank to deal with a hostage situation; Parker faces one of his toughest negotiations when the robber isn't who he thought.

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.

Team One must stop a man cursed with a perfect memory from unleashing a deadly weapon on the city streets.

A vigilante cops quest for justice puts the lives of both Parker and Eds sons in danger

Two Brothers become involved with a white supremacy group planning a terrorist attack.

While investigating a shots fired call in an upscale neighborhood, the SRU team encounters a group of gun runners. Among them, Ed's brother.

The team has to deal with a disturbed man who has just murdered his estranged wife and who has now taken a woman hostage outside of an office building. However, the situation only gets worse when his son arrives on the scene.

Parker must stop a remorseful Criminal Intelligence Agent from risking everything to save the life of her young confidential informant.

SRU has to deal with a sniper that has taken over City Hall, who just happens to be the son of a man Ed killed during a mission. Meanwhile, a team member's health is in question after being caught in the line of fire.

Spike (Sergio Di Zio) discovers his former mentor may be implicated in a tangled case involving corruption, drug dealers and an attempted gang execution.

Maggie Perrello was the perfect mother until an addiction to prescription meds spiraled out of control. It cost Maggie a stint in jail, and the loss of her beloved daughters Becky and Riley into foster care. Now she’s out of jail, clean and sober, and yearns to bring her children home. When Maggie discovers that she can’t have her kids back, she turns desperate and kidnaps Becky and Riley. Team One answers the call. But when an unexpected complication threatens Becky’s safety, will Parker (Enrico Colantoni) be able to convince Maggie to make the ultimate sacrifice?

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.

The SRU team is deployed to a hospital to end a stand-off between gang members and a man trying to protect his wounded brother.

The SRU unit must rescue a woman from a delusional man who insists she is his missing daughter.

When three men take the CEO of a mortgage company hostage, the SRU team is called to the scene to diffuse the situation. Jules recovers from being shot and the team reluctantly looks at recruits to fill her spot

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.

Complications arise in a high-risk SRU raid when an informant gets caught in a dangerous game of love, murder and betrayal.

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.

A high school athlete threatens suicide after being kidnapped and beaten.

Team One must resolve a standoff at a seedy motel with a fugitive who has shot two police officers and taken a teenager, Paul Wilder, hostage. At first, Paul seems like a good kid in a bad situation, but as the team digs deeper it uncovers chilling secrets that reveal Paul is far from innocent. What began as a standoff ends as a desperate chase through the city’s sewer system, and it’s up to Parker to stop Paul from making a mistake that will change him forever. Meanwhile, Ed discovers that his cop brother Roy might have been responsible for one of the officers getting shot … and that his wife is, unexpectedly, expecting.

After hearing on the radio that a talk show host is holding a prominent politician hostage, seeking revenge for a murder he thinks the man committed years ago, the SRU team races to the station to talk the host out of killing him on the air.

Model prisoner Anton Burrows is up for parole but is denied when the victim’s family, the Amiris, speaks against him. Moments later, a ruthless gang incites a riot at Langstaff Maximum Security and takes the Amiris hostage. The SRU are called in and Ed is surprised to find an old friend acting as riot spokesman. Investigation leads the team to suspect the gang is plotting a break, but they discover the gang’s true agenda is much worse.

Team One is on the trail of the notorious Business Card Bandit only to discover the shocking truth about the robbers identity.

A couple kidnaps the baby they gave up for adoption.

The Team receives an urgent call from Jules (Amy Jo Johnson) on her day off – she and her date Steve are trapped in a restaurant with a gunman (Aaron Poole) who’s shot a waiter and is now holding hostages and making incoherent demands. Team One works with Jules on the inside, fighting to calm the gunman down before the waiter dies, but its clear there’s more to this simple hostage-taking. Team One discovers that this delusional man is merely a pawn in a much more horrific act of terror, targeting a local mosque.

The team helps out some undercover agents who are involved in a major drug bust. However, the operation goes wrong when a customer gets in the middle of it.

When the SRU is called to the scene of an upper class household where four hostages are being held, they discover that the hostage taker is actually the boyfriend of the family's nanny.