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Season guide

CSI: Crime Scene Investigation: Season 11

22 episodes Premiered Sep 23, 2010 Updated Sep 25, 2026

In the eleventh season of the long-running procedural drama CSI: Crime Scene Investigation, the Las Vegas team of forensic investigators continues their work solving complex criminal cases. Despite facing injuries within their ranks, the unit remains dedicated to their methodology of scouring crime scenes and collecting irrefutable evidence to bring perpetrators to justice. The season presents a diverse slate of inve

Previously on CSI: Crime Scene Investigation

Season 11 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ The series follows a team of forensic investigators based in Las Vegas who are trained to solve crimes by examining physical evidence.
  • ⚡ The show is the first entry in the CSI franchise and focuses on the technical process of scouring crime scenes to collect irrefutable proof.
  • ⚡ The investigative unit is composed of professionals who utilize forensic science to resolve criminal cases.
  • ⚡ The series is a fast-paced drama that centers on the collaborative efforts of the forensic team to uncover the truth behind various mysteries.

Season overview

In the eleventh season of the long-running procedural drama CSI: Crime Scene Investigation, the Las Vegas team of forensic investigators continues their work solving complex criminal cases. Despite facing injuries within their ranks, the unit remains dedicated to their methodology of scouring crime scenes and collecting irrefutable evidence to bring perpetrators to justice. The season presents a diverse slate of investigations, ranging from an unusual urban shark attack to the pursuit of a dangerous fugitive who possesses a chilling agenda. As the team navigates these high-stakes challenges, they rely on their specialized training and forensic expertise to piece together the truth behind various mysteries. The narrative arc focuses on the professional resilience of the investigators as they confront both physical threats and the psychological toll of their work. Throughout these episodes, the series maintains its established format, emphasizing the technical aspects of forensic science and the collaborative efforts required to process evidence. The season serves as a continuation of the overarching mission of the unit, which has been a staple of the franchise since its inception, highlighting the ongoing commitment of the forensic team to resolve crimes within the city of Las Vegas.

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Season 11 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 11 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 11: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

18%
82%
Mytharc (4): Crucial lore & season climaxes
Core (18): Character development & subplots
Side Quest (0): Standalone / filler
S11·E1 Mytharc

Shock Waves

Sep 23, 2010 · 44 min

The CSI team investigates a well-orchestrated bombing at the funeral of Officer Franklin Clark

S11·E2 Core

Pool Shark

Sep 30, 2010 · 43 min

The team investigates when a woman is attacked by a shark in the pool at a Las Vegas casino.

S11·E3 Core

Blood Moon

Oct 7, 2010 · 45 min

A vampire and werewolf convention becomes the center of a murder investigation.

S11·E4 Core

Sqweegel

Oct 14, 2010 · 44 min

The CSI team investigates a mad slasher who strikes without leaving a trace -- because he wears a form-fitting black latex suit that leaves not a molecule of evidence behind

S11·E5 Core

House of Hoarders

Oct 21, 2010 · 45 min

The CSI team investigate a murder at the home of Marta, a "level 5 hoarder" whose home is stacked high with possessions and garbage--and more than one dead body

S11·E6 Core

Cold Blooded

Oct 28, 2010 · 45 min

The CSI team investigate the murder of a man whose daughter was killed five years ago, and the bizarre death of a young man who appears to have been killed by a T-Rex.

S11·E7 Core

Bump and Grind

Nov 4, 2010 · 44 min

When shredded remains of a man are discovered, evidence leads to multiple possible suspects.

S11·E8 Core

Fracked

Nov 11, 2010 · 45 min

The CSI's investigate a series of deaths related to an energy company's grotesque cover-up of tainted water.

S11·E9 Core

Wild Life

Nov 18, 2010 · 44 min

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

S11·E10 Core

418/427

Dec 9, 2010 · 44 min

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

S11·E11 Mytharc

Man Up

Jan 6, 2011 · 44 min

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.

S11·E12 Core

A Kiss Before Frying

Jan 20, 2011 · 45 min

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.

S11·E13 Core

The Two Mrs. Grissoms

Feb 3, 2011 · 44 min

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

S11·E14 Core

All That Cremains

Feb 10, 2011 · 45 min

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.

S11·E15 Core

Targets of Obsession

Feb 17, 2011 · 44 min

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

S11·E16 Core

Turn On, Tune In, Drop Dead

Feb 24, 2011 · 43 min

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

S11·E17 Core

The List

Mar 10, 2011 · 45 min

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

S11·E18 Core

Hitting for the Cycle

Mar 31, 2011 · 44 min

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 cy

S11·E19 Core

Unleashed

Apr 7, 2011 · 45 min

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

S11·E20 Core

Father of the Bride (1)

Apr 28, 2011 · 45 min

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 li

S11·E21 Mytharc

Cello and Goodbye (2)

May 5, 2011 · 44 min

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.

S11·E22 Mytharc

In A Dark, Dark House (3)

May 12, 2011 · 45 min

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.

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