CSI

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Watch CSI Season 12 full episodes online, free and paid options via our partners and affiliates.

D.B., Barbara, & Ecklie
Watch CSI Season 12 Episode 22
"Homecoming"
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The CSI team investigates when three bodies are found near a campaign dinner on the show's 12th season finale.

Nick & D.B. Investigate a Car Bomb
Watch CSI Season 12 Episode 21
"Dune and Gloom"
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The CSI team investigates when a racer is killed by a bomb.

Nick Stokes & D. B. Russell Play Ball
Watch CSI Season 12 Episode 20
"Altered Stakes"
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A conviction may get overturned if Nick and the team can't find new evidence as time runs out.

Casino Crime Scene
Watch CSI Season 12 Episode 19
"Split Decision"
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A man gets killed inside a casino on this episode of CSI. At point-blank range.

D.B., Julie and Conrad
Watch CSI Season 12 Episode 18
"Malice in Wonderland"
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A murder and a robbery both take place at a wedding on CSI this week, while Hodges tries to pull one over on his mother.

Morgan and Julie
Watch CSI Season 12 Episode 17
"Trends with Benefits"
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The team tackles a new intriguing case on the CSI episode "Trends with Benefits."

D.B. and Julie
Watch CSI Season 12 Episode 16
"CSI Unplugged"
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A blackout cripples the city and causes major problems for the CSIs this week. They must go old school!

Nick Introducing Finn to Hodges
Watch CSI Season 12 Episode 15
"Stealing Home"
Original Air Date:

When a house is stolen completely off its foundation, the CSIs are on the case in search of answers.

Jesse McCartney on CSI
Watch CSI Season 12 Episode 14
"Seeing Red"
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Jesse McCartney guest stars on this episode of CSI. He plays the character of Wes Clyborn.

Wig Shop Hunt
Watch CSI Season 12 Episode 13
"Tressed to Kill"
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The CSI investigation takes Nick into a wig shop on this episode of the CBS drama.

Goodbye, Catherine
Watch CSI Season 12 Episode 12
"Willows in the Wind"
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So long, Cathrine. This episode marks the final one for the long-time, iconic character.

Annabeth Gish on CSI
Watch CSI Season 12 Episode 11
"Ms Willows Regrets"
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This is the first of Catherine's final two episodes. It features Annabeth Gish as a guest star.

D.B. at a Crime Scene
Watch CSI Season 12 Episode 10
"Genetic Disorder"
Original Air Date:

The home of Dr. Robbins becomes a crime scene on this edition of CSI. It's the final installment of 2011.

Russell Wants Answers
Watch CSI Season 12 Episode 9
"Zippered"
Original Air Date:

A retired Army Ranger is found dead this week. As a result, the FBI is brought in for the case.

CSI Season 12 Quotes

Hodges: I think your wrong on that one.
Morgan: I'm sorry?
Hodges: Oh, don't be sorry, just be wrong.

No body, no suspects, but if you're in the market for a murder weapon.. pick one

Catherine
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