Don and the team are summoned to lead the hunt for a would-be terrorist who released potentially deadly gas into the Los Angeles subway system

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A patient involved in a clinical trial on Cuba takes Hank and his brother to the island, and Evan befriends a Canadian tourist. Comedy drama, starring Mark Feuerstein

A mystery epidemic spreads through a small town, leaving Quincy and Sam racing to identify the disease before any more people are infected

A referee makes a confession on his deathbed, prompting Rush to revisit the case of an amateur boxer who died in 1976 after suffering a defeat

An agoraphobic advice columnist disappears, despite having spent two years confined to her apartment - where the agents find a walkie-talkie, a box of bullets and several letters

Don and the team are summoned to lead the hunt for a would-be terrorist who released potentially deadly gas into the Los Angeles subway system

Kate is determined to thwart a terrorist attack after discovering the HMAS Cairns is the target for a dirty bomb, while Jim asks her for a decision about his marriage proposal

The Philadelphia authorities discover a gun they believe was used in a 1987 shooting, so Rush sets to work gathering evidence

Mary believes romance is in the air for her new witness when he falls in love. However, her optimism turns to concern when the former hitman with a passion for explosives is dumped

The creator of a religious website is found murdered leading Bernard and Lupo to a web of corruption involving a charity, and the case leaves McCoy fighting for his job

Kate is determined to thwart a terrorist attack after discovering the HMAS Cairns is the target for a dirty bomb, while Jim asks her for a decision about his marriage proposal

Don and the team are summoned to lead the hunt for a would-be terrorist who released potentially deadly gas into the Los Angeles subway system

Mary helps a former bank robber acclimatise to life outside prison after decades behind bars, and Marshall assists her with another witness who becomes the victim of a revenge plot

The creator of a religious website is found murdered leading Bernard and Lupo to a web of corruption involving a charity, and the case leaves McCoy fighting for his job

Tennis legend John McEnroe (guest starring as himself) is suspected of murder, while Danny and the team support Mac during his disciplinary hearing over the death of Clay Dobson

Adam and Danny are kidnapped by a criminal who then launches an all-out attack on the crime lab to retrieve a cache of impounded cocaine

A student counsellor is murdered in New York, and Benson and Stabler investigate a possible connection to her volunteer work at a refugee centre

The Philadelphia authorities discover a gun they believe was used in a 1987 shooting, so Rush sets to work gathering evidence

Don tries to track down a kidnapped artist with the help of secret-service agent Kim Hall, who happens to be one of his former girlfriends. With guest star Sarah Wayne Callies

A wanted man is found dead in his apartment, and Don and Charlie notice the similarity between this murder and one committed a year earlier

An agoraphobic advice columnist disappears, despite having spent two years confined to her apartment - where the agents find a walkie-talkie, a box of bullets and several letters

A patient involved in a clinical trial on Cuba takes Hank and his brother to the island, and Evan befriends a Canadian tourist. Comedy drama, starring Mark Feuerstein

A mystery epidemic spreads through a small town, leaving Quincy and Sam racing to identify the disease before any more people are infected