The iconic original series ran for 15 seasons and was the world's most popular TV show.
By Nate Millado
It doesn't take a forensic scientist to know why CSI: Crime Scene Investigation mattered. The evidence is all there. CSI was the world's most popular show for six years at the Monte-Carlo Television Festival, the series was nominated for 40 Emmys (and won the Screen Actors Guild Award for Outstanding Ensemble), and it essentially reinvented the procedural, spawning four spin-offs and counting! So how much of a CSI fanatic are you? Take our quiz and find out!
Get all 10 correct: Congrats, you're a CSI Level III.
Get 8 right: You're CSI Level II.
Get 6 right: You're CSI Level I.
Get 5 or fewer right: Better luck next time, CSI Trainee!
#1: Gil Grissom is a forensic entomologist. What does he study?
William Petersen as Gil Grissom on CSI.
Photo: Sonja Flemming/CBS.
*Keep reading for the answer to #1.
#2: According to Grissom, the only thing that can't lie is...
Grissom (William Petersen) uses an evening at home to construct a miniature of his office.
Photo: Michael Desmond/CBS.
(Answer to #1: A. Entomology is the study of insects.)
A) The body
B) The science
C) The evidence
D) The dead
*Keep reading for the answer to #2.
#3: What was Willows' occupation before joining the CSI team?
Willows (Marg Helgenberger) and the CSI team are called in to investigate the murder of a girl found strangled to death in a press box at a local high school.
Photo: Robert Voets/CBS.
(Answer to #2: C. In the pilot episode, Grissom tells Warrick, played by Gary Dourdan: "Forget about making a hundred, forget about the victim, forget about the suspect, and focus on the only thing that can't lie: the evidence.")
A) Cabaret singer
C) Blackjack dealer
D) UNLV professor
*Keep reading for the answer to #3.
#4: Which former Cheers star joined CSI in Season 12?
The cast of Cheers.
Photo: NBCU Photo Bank/Getty Images.
(Answer to #3: B. "The character was introduced in the pilot script as Catherine Willows, CSI-3, single mother, ex-stripper," Marg Helgenberger told CBS This Morning. "Some of the female producers thought about changing that backstory once we got picked up and put on the air, and I said, 'No, no, no, this is a woman who, that journey she took is much different than most people who go into law-enforcement, and I thought it really informed the character and the story. So I'm glad I stood up for my stripper-dom!")
A) Kelsey Grammer
B) Woody Harrelson
C) Ted Danson
D) Rhea Perlman
*Keep reading for the answer to #4.
#5: Which Oscar-nominated director—and CSI fan—directed the episode "Grave Danger"?
George Eads as Nick Stokes on CSI.
Photo: Robert Voets/CBS
(Answer to #4: C. Sam Malone himself joined the cast of CSI! Ted Danson played D.B. Russell.)
A) Ron Howard
B) Quentin Tarantino
C) Clint Eastwood
D) David Fincher
*Keep reading for the answer to #5.
#6: What is the name of The Who hit that serves as the original CSI theme song?
The intro to CSI: Crime Scene Investigation.
(Answer to #5: B. Quentin Tarantino directed the Season 5 finale.)
A) "Who Are You?"
B) "Won't Get Fooled Again"
C) "Baba O'Riley"
C) "I Can See For Miles"
*Keep reading for the answer to #6.
#7: What's the name of the dominatrix entwined with Grissom for much of the series' run?
Melinda Clarke guest-starred on CSI starting with the second season.
Photo: Credit: Sonja Flemming/CBS via Getty Images.
(Answer to #6: A. The answer is "Who Are You?" "Won't Get Fooled Again" was the theme for CSI: Miami. "Baba O'Riley" was the CSI: NY theme. "I Can See For Miles" opened CSI: Cyber.)
A) Lady Macbeth
B) Lady Whistledown
C) Lady Heather
D) Lady Luck
*Keep reading for the answer to #7.
#8: Which one of these is NOT true about Warrick (Gary Dourdan)?
Gary Dourdan as Warrick Brown on CSI.
Photo: Michael Yarish/CBS Photo Archive via Getty Images.
(Answer to #7: C. Lady Heather had her hooks in Grissom up until the series finale.)
A) He's the only Las Vegas native on the team.
B) He had a severe gambling problem.
C) He was romantically involved with Julie Finlay (Elisabeth Shue).
D) He was a prime murder suspect.
*Keep reading for the answer to #8.
#9: GSR—coined by fans for the Grissom-Sara Romance—is a nod to this oft-used CSI abbreviation.
CSI fans loved the pairing of Sara Sidle (Jorja Fox) and Gil Grissom (William Petersen).
(Answer to #8: C. Julie Finlay did not join the CSI team until Season 12, while Warrick was murdered in the Season 8 finale.)
A) Grid search and recovery
B) Grand-scale robbery
C) Gene status regulation
D) Gun shot residue
*Keep reading for the answer to #9.
#10: What brought Willows and Grissom back to CSI for the series finale?
The series finale of CSI.
Photo: Sonja Flemming/CBS via Getty Images.
(Answer to #9: D. Gun shot residue refers to the presence or absence of residue, indicating whether a gun was fired—and who was near the weapon when it was discharged.)
A) A serial killer targets Vegas showgirls.
B) A CSI team member is kidnapped.
C) A suicide bomber detonates his vest at a casino.
D) A CSI team member is buried alive.
*Keep reading for the answer to #10.
CSI: Vegas premieres Oct. 6 on CBS
(Answer to #10: C. Sara Sidle was once kidnapped by The Miniature Killer, Nick Stokes was buried alive and rescued, and plenty of serial killers have terrorized Sin City over the series' 15-season run. But it was a suicide bomber who detonated in one of WIllows' casinos that brought the gang back together.)