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CSI is an innovative, new type of crime drama because the characters use cutting-edge forensic tools to examine the evidence to solve the case. Rather than a ‘whodunnit’ cop show (investigating witnesses/suspects), CSI explores the ‘howdunnit’. CSI has been the number one scripted series in the Neilsen ratings for four years running. In 2007 nearly 84 million people watched CSI, making it the most watched show in the world. CSI is now in its 9th amazing season.

 

Watch Season 1 CSI Online:

Season 1, Episode 1: Pilot

Season 1, Episode 2: Cool Change

Season 1, Episode 3: Crate ‘n’ Burial

Season 1, Episode 4: Pledging Mr. Johnson

Season 1, Episode 5: Friends & Lovers

Season 1, Episode 6: Who Are You?

Season 1, Episode 7: Blood Drops

Season 1, Episode 8: Anonymous

Season 1, Episode 9: Unfriendly Skies

Season 1, Episode 10: Sex, Lies and Larvae

Season 1, Episode 11: I-15 Murders

Season 1, Episode 12: Fahrenheit 932

Season 1, Episode 13: Boom

Season 1, Episode 14: To Halve and to Hold

Season 1, Episode 15: Table Stakes

Season 1, Episode 16: Too Tough to Die

Season 1, Episode 17: Face Lift

Season 1, Episode 18: $35K O.B.O.

Season 1, Episode 19: Gentle, Gentle

Season 1, Episode 20: Sounds of Silence

Season 1, Episode 21: Justice Is Served

Season 1, Episode 22: Evaluation Day

Season 1, Episode 23: The Strip Strangler

Watch Season 2 CSI Online:

Season 2, Episode 1: Burked

Season 2, Episode 2: Chaos Theory

Season 2, Episode 3: Overload

Season 2, Episode 4: Bully for You

Season 2, Episode 5: Scuba Doobie-Doo

Season 2, Episode 6: Alter Boys

Season 2, Episode 7: Caged

Season 2, Episode 8: Slaves of Las Vegas

Season 2, Episode 9: And Then There Were None

Season 2, Episode 10: Ellie

Season 2, Episode 11: Organ Grinder

Season 2, Episode 12: You’ve Got Male

Season 2, Episode 13: Identity Crisis

Season 2, Episode 14: The Finger

Season 2, Episode 15: Burden of Proof

Season 2, Episode 16: Primum Non Nocere

Season 2, Episode 17: Felonious Monk

Season 2, Episode 18: Chasing the Bus

Season 2, Episode 19: Stalker

Season 2, Episode 20: Cats in the Cradle…

Season 2, Episode 21: Anatomy of a Lye

Season 2, Episode 22: Cross-Jurisdictions

Season 2, Episode 23: The Hunger Artist

Watch Season 3 CSI Online:

Season 3, Episode 1: Revenge Is Best Served Cold

Season 3, Episode 2: The Accused Is Entitled

Season 3, Episode 3: Let the Seller Beware

Season 3, Episode 4: A Little Murder

Season 3, Episode 5: Abra Cadaver

Season 3, Episode 6: The Execution of Catherine Willows

Season 3, Episode 7: Fight Night

Season 3, Episode 8: Snuff

Season 3, Episode 9: Blood Lust

Season 3, Episode 10: High and Low

Season 3, Episode 11: Recipe for Murder

Season 3, Episode 12: Got Murder?

Season 3, Episode 13: Random Acts of Violence

Season 3, Episode 14: One Hit Wonder

Season 3, Episode 15: Lady Heather’s Box

Season 3, Episode 16: Lucky Strike

Season 3, Episode 17: Crash and Burn

Season 3, Episode 18: Precious Metal

Season 3, Episode 19: A Night at the Movies

Season 3, Episode 20: Last Laugh

Season 3, Episode 21: Forever

Season 3, Episode 22: Play with Fire

Season 3, Episode 23: Inside the Box

Watch Season 4 CSI Online:

Season 4, Episode 1: Assume Nothing

Season 4, Episode 2: All for Our Country

Season 4, Episode 3: Homebodies

Season 4, Episode 4: Feeling the Heat

Season 4, Episode 5: Fur and Loathing

Season 4, Episode 6: Jackpot

Season 4, Episode 7: Invisible Evidence

Season 4, Episode 8: After the Show

Season 4, Episode 9: Grissom Versus the Volcano

Season 4, Episode 10: Coming of Rage

Season 4, Episode 11: Eleven Angry Jurors

Season 4, Episode 12: Butterflied

Season 4, Episode 13: Suckers

Season 4, Episode 14: Paper or Plastic?

Season 4, Episode 15: Early Rollout

Season 4, Episode 16: Getting Off

Season 4, Episode 17: XX

Season 4, Episode 18: Bad to the Bone

Season 4, Episode 19: Bad Words

Season 4, Episode 20: Dead Ringer

Season 4, Episode 21: Turn of the Screws

Season 4, Episode 22: No More Bets

Season 4, Episode 23: Bloodlines

Watch Season 5 CSI Online:

Season 5, Episode 1: Viva Las Vegas

Season 5, Episode 2: Down the Drain

Season 5, Episode 3: Harvest

Season 5, Episode 4: Crow’s Feet

Season 5, Episode 5: Swap Meet

Season 5, Episode 6: What’s Eating Gilbert Grissom?

Season 5, Episode 7: Formalities

Season 5, Episode 8: Ch-Ch-Changes

Season 5, Episode 9: Mea Culpa

Season 5, Episode 10: No Humans Involved

Season 5, Episode 11: Who Shot Sherlock

Season 5, Episode 12: Snakes

Season 5, Episode 13: Nesting Dolls

Season 5, Episode 14: Unbearable

Season 5, Episode 15: King Baby

Season 5, Episode 16: Big Middle

Season 5, Episode 17: Compulsion

Season 5, Episode 18: Spark of Life

Season 5, Episode 19: 4×4

Season 5, Episode 20: Hollywood Brass

Season 5, Episode 21: Committed

Season 5, Episode 22: Weeping Willows

Season 5, Episode 23: Iced

Season 5, Episode 24: Grave Danger: Volume 1

Season 5, Episode 25: Grave Danger: Volume 2

Watch Season 6 CSI Online:

Season 6, Episode 1: Bodies in Motion

Season 6, Episode 2: Room Service

Season 6, Episode 3: Bite Me

Season 6, Episode 4: Shooting Stars

Season 6, Episode 5: Gum Drops

Season 6, Episode 6: Secrets & Flies

Season 6, Episode 7: A Bullet Runs Through It, Part 1

Season 6, Episode 8: A Bullet Runs Through It, Part 2

Season 6, Episode 9: Dog Eat Dog

Season 6, Episode 10: Still Life

Season 6, Episode 11: Werewolves

Season 6, Episode 12: Daddy’s Little Girl

Season 6, Episode 13: Kiss Kiss, Bye Bye

Season 6, Episode 14: Killer

Season 6, Episode 15: Pirates of the Third Reich

Season 6, Episode 16: Up in Smoke

Season 6, Episode 17: I Like to Watch

Season 6, Episode 18: The Unusual Suspect

Season 6, Episode 19: Spellbound

Season 6, Episode 20: Poppin’ Tags

Season 6, Episode 21: Rashomama

Season 6, Episode 22: Time of Your Death

Season 6, Episode 23: Bang-Bang

Season 6, Episode 24: Way to Go

Watch Season 7 CSI Online:

Season 7, Episode 1: Built to Kill: Part 1

Season 7, Episode 2: Built to Kill: Part 2

Season 7, Episode 3: Toe Tags

Season 7, Episode 4: Fannysmackin’

Season 7, Episode 5: Double Cross

Season 7, Episode 6: Burn Out

Season 7, Episode 7: Post Mortem

Season 7, Episode 8: Happenstance

Season 7, Episode 9: Living Legend

Season 7, Episode 10: Loco Motives

Season 7, Episode 11: Leaving Las Vegas

Season 7, Episode 12: Sweet Jane

Season 7, Episode 13: Redrum

Season 7, Episode 14: Meet Market

Season 7, Episode 15: Law of Gravity

Season 7, Episode 16: Monster in the Box

Season 7, Episode 17: Fallen Idols

Season 7, Episode 18: Empty Eyes

Season 7, Episode 19: Big Shots

Season 7, Episode 20: Lab Rats

Season 7, Episode 21: Ending Happy

Season 7, Episode 22: Leapin’ Lizards

Season 7, Episode 23: The Good, the Bad and the Dominatrix

Season 7, Episode 24: Living Doll

Watch Season 8 CSI Online:

Season 8, Episode 1: Dead Doll

Season 8, Episode 2: A La Cart

Season 8, Episode 3: Go to Hell

Season 8, Episode 4: The Case of the Cross-Dressing Carp

Season 8, Episode 5: The Chick Chop Flick Shop

Season 8, Episode 6: Who and What

Season 8, Episode 7: Goodbye and Good Luck

Season 8, Episode 8: You Kill Me

Season 8, Episode 9: Cockroaches

Season 8, Episode 10: Lying Down with Dogs

Season 8, Episode 11: Bull

Season 8, Episode 12: Grissom’s Divine Comedy

Season 8, Episode 13: A Thousand Days on Earth

Season 8, Episode 14: Drops’ Out

Season 8, Episode 15: The Theory of Everything

Season 8, Episode 16: Two and a Half Deaths

Season 8, Episode 17: For Gedda

Watch Season 9 CSI Online:

Season 9, Episode 1: For Warrick

Season 9, Episode 2: The Happy Place

Season 9, Episode 3: Art Imitates Life

Season 9, Episode 4: Let It Bleed

Season 9, Episode 5: Leave Out All the Rest

Season 9, Episode 6: Say Uncle

Season 9, Episode 7: Woulda, Coulda, Shoulda

Season 9, Episode 8: Young Man with a Horn

Season 9, Episode 9: 19 Down

Season 9, Episode 10: One to Go

Season 9, Episode 11: The Grave Shift

Season 9, Episode 12: Disarmed and Dangerous

Season 9, Episode 13: Deep Fried and Minty Fresh

Season 9, Episode 14: Miscarriage of Justice

Season 9, Episode 15: Kill Me if You Can

Season 9, Episode 16: Turn, Turn, Turn

Season 9, Episode 17: No Way Out

Season 9, Episode 18: Mascara

Season 9, Episode 19: The Descent of Man

Season 9, Episode 20: A Space Oddity

Season 9, Episode 21: If I Had a Hammer…

Season 9, Episode 22: The Gone Dead Train

Season 9, Episode 23: Hog Heaven

Season 9, Episode 24: All In

Watch CSI Season 10 Online:

Season 10, Episode 1: Family Affair
Season 10, Episode 2: Ghost Town

Season 10, Episode 3: Working Stiffs

Season 10, Episode 4: Coup de Grace

Season 10, Episode 5: Bloodsport

Season 10, Episode 6: Death and the Maiden
Season 10, Episode 7: The Lost Girls
Season 10, Episode 8: Lover’s Lanes

Season 10, Episode 9: Appendicitement
Season 10, Episode 10: Better Off Dead

Season 10, Episode 11: Sin City Blue
Season 10, Episode 12: Long Ball
Season 10, Episode 13: Internal Combustion
Season 10, Episode 14: Unshockable

Season 10, Episode 15: Neverland

Season 10, Episode 16: The Panty Sniffer

Season 10, Episode 17: Irradiator

Season 10, Episode 18: Field Mice

Season 10, Episode 19: World’s End

Season 10, Episode 20: Take My Life, Please!

Season 10, Episode 21: Lost & Found

Season 10, Episode 22: Doctor Who

Season 10, Episode 23: Meat Jekyll