A contentious child-custody battle gets out of hand and the SRU team must rescue the children involved using a risky roadblock.
A radio talk-show host holds a prominent politician hostage in the studio for a murder he believes the man committed years earlier. The SRU team attempts to rescue the man before he's killed on the air.
The team must contain a riot at a maximum-security prison, but they soon suspect it's a cover for a planned prison break.
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.
A carjacking results in a young man and a baby being held hostage, and the SRU team members attempt to end the situation without anyone being harmed.
A man fights back against drug dealers who vandalize a bar he patronizes, but the SRU team suspects he may have a hidden agenda.
Parker is lured into a deadly trap and is told he must either reveal a disturbing secret from his past or be killed.
A female kidnapper (Kelly Rowan) abducts two girls.
Two brothers become involved in a white supremacy group, but when the group plans a terrorist attack, one of the brothers has second thoughts.
A high-school athlete threatens to commit suicide after he is kidnapped and beaten.
The SRU team members encounter gunrunners, one of whom is Ed's brother, when they investigate shots fired in an upscale neighborhood.
The SRU team searches for a girl who was kidnapped from her home shortly after she called 911 to report that an intruder was in her house.
The SRU's actions are called into question after the team responds to a shooting at a museum gala. The lead investigator focuses her probe on Parker in particular.
A prisoner suspected of murdering his daughter is hunted after he escapes from a transport van. Meanwhile, Ed learns that his wife is en route to a hospital due to complications from her pregnancy.
A couple rob a bank to get money for a bone-marrow transplant for their son, who is dying from leukemia.
Mike fears his former mentor may be implicated in a case that involves corruption, drug dealers and an attempted gang execution.
A gunman takes hostages inside a restaurant after he becomes convinced that the owner is a terrorist who is planning an attack.
An informant in a credit-card-fraud ring vanishes with the ring leader's mastermind, who may also be her lover.
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