Ray überlebt die Attacke auf sein Leben. Er verliert eine Niere, kann sich aber schnell erholen.

Ist ein knallharter Konkurrenzkampf zwischen zwei Clubbesitzern der Grund, warum zwei Menschen sterben müssen?

Das CSI-Team bewegt sich auf unbekanntem Terrain: Es muss einen Mordfall klären, der möglicherweise von einem Werwolf begangen wurde.

Ein brutaler Killer macht Jagd auf verdiente Bürger der Stadt. Das CSI-Team steht vor einem Rätsel.

In einem verwahrlosten Haus werden zahlreiche Leichen gefunden. Unter Verdacht gerät die Eigentümerin, von der Nick behauptet, ihr Messietum sei nur ein Alibi für die grausamen Morde.

Als der Vater eines vor Jahren verschwundenen Mädchens ermordet aufgefunden wird, ist den Ermittlern schnell klar, dass sie zur Lösung des Falles auch in der Vergangenheit stöbern müssen.

Bei den Untersuchungen zu einem komplizierten Mordfall kommen die Ermittler des CSI einem ungeheuerlichen Umweltskandal auf die Spur.

The sky is falling or at least people are. The CSI's try to figure out if it was murder or sucide after a man is dead after falling from a hotel. Across town, a elderly woman falls through her table and her husband dead in the shower. The only two witnesses to the crime are an incooperative cat and a parrot who pleads the fifth.

The CSIs set out to track down a pedophile suspected of murdering an FBI agent's wife and kidnapping his children.

The CSIs question the validity of an online picture depicting a murdered call girl until they find the same woman strangled to death in the dumpster that appears in the photo.

A body with unusual burn marks is discovered on the side of the road; Greg asks a teacher (Dita von Teese) out on a date.

Sara clashes with her mother-in-law and a woman from Gil's past.

The Crime Scene crew investigates the gruesome murder of a high-powered, widowed lawyer, while Ray faces that it is time to move on from his old life.

Jason McCann contacts Nick and says that he's in imminent danger. Langston has a courtroom war of nerves against serial killer Nate Haskell. A bomb tech disarms a bomb attached to Nick's house. But when he accompanies Nick, Catherine and Vartann to a warehouse with multiple booby-traps per square inch, Kip has to really earn his paycheck to find a safe way out for the CSI team.

The team investigates two apparent corpses who aren't exactly dead at all.

While investigating the murder of a convicted ex-cop, the CSIs stumble upon a list in his prison cell with names of several individuals he believed might have been his wife's true killer.

A string of deaths, including a gamer found dead on his couch and a newly divorced man at the bottom of a pool, instigate a bet among the CSIs as to whether they've "hit for the cycle" - a homicide, a suicide, an accidental and a natural death all in one night

Langston and Sara turn to Lady Heather for help in tracking down the culprit responsible for injuring a woman before she was seemingly mauled to death by a mountain lion. Meanwhile, Nick and Dr. Robbins manage to rescue the unborn baby of a teenage girl who appears to have committed suicide

Following his escape, Nate Haskell, the notorious "Dick & Jane" killer, resurfaces when he e-mails a disturbing video to the father of one of his brides, threatening to take her life.

Langston becomes more determined than ever to track down Nate Haskell, the notorious "Dick & Jane" killer, after discovering that he's kidnapped his ex-wife, Gloria.

After years of pursuit and a countless number of murders, Langston comes face-to-face with serial killer Nate Haskell inside the house where his killing spree began.