When Cole is investigated by the FBI, Murtaugh is forced to question his loyalty to his own partner. Meanwhile, Cole works a case that puts Natalie’s fiancé, Andrew, into the…

On Valentine’s Day, Team Scorpion must set aside their romantic plans to help a doctor and pilot trapped inside a helicopter that crashed atop a skyscraper. Also, Toby and Happy…

When a champion swimmer and Olympic hopeful is found dead in a training pool, Castle & Beckett dive in to investigate his murder, and uncover myriad secrets that might have…

Jerry and George find Kramer, whose past is laid out by the lieutenant seeking his confession.

(Crossover episode with CSI: New York, Season 2 Episode 7.) A crossover episode that concludes on “CSI NY” begins with a convicted serial killer who escapes after sabotaging an airplane…

Booth and Brennan investigate the death of Terence Bancroft, one of the Jeffersonian’s major donors, found dead at his home. Hodgins’ relationship with the wife of the deceased years earlier,…

Commander Riker participates in an officer’s exchange program which lands him an assignment on a Klingon Bird-of-Prey. Meanwhile, a Bezite ensign has trouble assimilating to the routines of the Enterprise.

A high school party turns tragic when a teenager is found dead, and the detectives end up playing games with the two leading suspects to find out the real story….

The explosion of a package including scientific research injures a pregnant security guard, leading to the investigation of the scientist’s experiments.