CSI: Crime Scene Investigation (season 10)

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CSI: Crime Scene Investigation (season 10)
CSI The 10th Season.jpg
Starring Laurence Fishburne
Marg Helgenberger
George Eads
Eric Szmanda
Robert David Hall
Wallace Langham
Liz Vassey
David Berman
Paul Guilfoyle
Country of origin United States
No. of episodes 23
Original network CBS
Original release September 24, 2009 (2009-09-24) – May 20, 2010 (2010-05-20)
Season chronology
← Previous
Season 9
Next →
Season 11
List of CSI episodes

The tenth season of CSI: Crime Scene Investigation premiered on CBS on September 24, 2009 and ended May 20, 2010. The series stars Marg Helgenberger and Laurence Fishburne.


Riley Adams leaves the CSI team in turmoil, as Catherine's leadership skills are called into question ("Family Affair"), during the tenth season of CSI. The team, including the newly returned Sara Sidle, continue to investigate the gruesome, the premeditated, and the unusual, including the death of a porn producer ("Ghost Town"), a botched robbery ("Working Stiffs"), a cop-on-cop homicide ("Coup de Grace"), the murder of a football coach ("Blood Sport"), a bizarre revenge plot ("Death & The Maiden"), a death at a bowling tournament ("Lover's Lanes"), and a human trafficking case that leads Ray to both New York and Miami ("The Lost Girls"). Meanwhile, Nick, Greg and Hodges celebrate Henry's birthday ("Appendicitement") as Catherine comes face to face with Rascal Flatts ("Unshockable"), and Langston begins to investigate a series of murders committed by Dr. Jekyll ("Sin City Blue"), which may lead to his own brutal end ("Meat Jekyll").



Lauren Lee Smith is no longer part of the regular cast. Liz Vassey and David Berman both become main cast members. Jorja Fox recurs.

Main cast[edit]

Recurring cast[edit]

Guest cast[edit]


No. in
Title  Directed by  Written by  Original air date  U.S. viewers
207 1 "Family Affair" Kenneth Fink Story by: Naren Shankar
Teleplay by: Bradley Thompson & David Weddle
September 24, 2009 (2009-09-24) 16.04[1]
Season ten begins with Riley Adams having left and the team investigating the suspicious death of a young actress who was killed in a questionable traffic accident which links with Greg's case of a murder of an old man beat to death in a motel.. Gangsters break into the lab and steal a body, shooting some lab workers. Meanwhile, Sara Sidle makes an unexpected visit to the lab and Ray investigates the disturbing work of "Dr. Jekyll."
208 2 "Ghost Town" Alec Smight Story by: Dustin Lee Abraham & Carol Mendelsohn
Teleplay by: Dustin Lee Abraham
October 1, 2009 (2009-10-01) 15.94[2]
A porn producer and a drug dealer are murdered in an upscale Las Vegas area, and the investigation centers on the members of the affluent neighborhood. The evidence near the peeping hole links to Craig Mason, the adopted son of the deceased bathtub serial killer, Paul Millander.
209 3 "Working Stiffs" Naren Shankar Naren Shankar October 8, 2009 (2009-10-08) 14.90[3]
Two office colleagues plan to rob a casino, but their misguided plot ends in murder.
210 4 "Coup de Grace" Paris Barclay Story by: David Rambo & Richard Catalani
Teleplay by: David Rambo
October 15, 2009 (2009-10-15) 15.37[4]
A police officer kills another police officer, and the CSIs must determine if the shooting was accidental or premeditated. The evidence also suggests the death may have been racially motivated.
211 5 "Bloodsport" Jeffrey Hunt Allen MacDonald October 29, 2009 (2009-10-29) 15.24[5]
A beloved college football coach is murdered in his home, and his entire team comes under suspicion in the case. The investigation reveals that the death may be linked to an earlier unsolved crime.
212 6 "Death & The Maiden" Brad Tanenbaum Jacqueline Hoyt November 5, 2009 (2009-11-05) 15.60[6]
Two seemingly unrelated crimes are discovered to be connected to a bizarre revenge plot.
213 7 "The Lost Girls" Alec Smight David Weddle & Bradley Thompson November 12, 2009 (2009-11-12) 17.38[7]
Ray searches for a missing girl being held hostage by human traffickers. He believes the victim may now be part of a Las Vegas prostitution ring.
214 8 "Lover's Lanes" Andrew Bernstein Dustin Lee Abraham November 19, 2009 (2009-11-19) 14.91[8]
A murder at a bowling alley is investigated after an unusual piece of evidence is discovered during a bowling tournament.
215 9 "Appendicitement" Kenneth Fink Evan Dunsky December 10, 2009 (2009-12-10) 16.43[9]
Nick, Greg and Hodges take Henry (Jon Wellner), the lab's toxicologist, to celebrate his birthday at a biker bar, where they uncover a double homicide and realize the murderer may still be at the bar. Meanwhile, Ray and Catherine investigate a double murder who could be committed by "Dr. Jekyll".
216 10 "Better Off Dead" Jeffrey Hunt Story by: Richard Catalani & Tom Mularz
Teleplay by: Corinne Marrinan & Tom Mularz
December 17, 2009 (2009-12-17) 15.58[10]
A shootout at a gun store may be linked to the death of a young woman who was involved in a suicide pact.
217 11 "Sin City Blue" Louis Shaw Milito Story by: Daniel Steck
Teleplay by: David Rambo & Jacqueline Hoyt
January 14, 2010 (2010-01-14) 15.33[11]
Two beautiful women are murdered in a Las Vegas hotel and the CSIs uncover an unusual killer during their investigation. Meanwhile, Langston continues to hunt "Dr. Jekyll."
218 12 "Long Ball" Alec Smight Christopher Barbour January 21, 2010 (2010-01-21) 14.29[12]
A legendary golf pro is murdered during a high-profile tournament. Golfers Natalie Gulbis, Rocco Mediate, Gary McCord and Duffy Waldorf appear as themselves, as well as former pro David Feherty.
219 13 "Internal Combustion" Brad Tanenbaum Jennifer N. Levin February 4, 2010 (2010-02-04) 14.49[13]
The CSIs investigate the deaths of two high-school students involved in illegal street racing.
220 14 "Unshockable" Kenneth Fink Michael Frost Beckner March 4, 2010 (2010-03-04) 15.59[14]
The bass guitarist of the country music band Rascal Flatts is electrocuted during a concert, who recovers with partial memory loss and having different tastes and opinions, much to the bafflement of the CSIs as they investigate possible sabotage. Meanwhile, a decomposed man is fished out of Lake Mead, leading the CSIs into a world of governmental conspiracy.
221 15 "Neverland" Alec Smight Tom Mularz March 11, 2010 (2010-03-11) 15.25[15]
The body of a 14-year-old boy is discovered in a field and the investigation reveals the victim has blood under his fingernails that matches a convicted killer who is in prison for murdering his wife. The incarcerated man demands to be released, claiming that someone else with identical blood killed his wife, but Ray believes the prisoner may have had the blood planted at the scene to try to gain his freedom.
222 16 "The Panty Sniffer" Louis Shaw Milito Story by: Richard Catalani & Jacqueline Hoyt
Teleplay by: Jacqueline Hoyt
April 1, 2010 (2010-04-01) 13.35[16]
Detective Vartann and Catherine pose as a couple during a 24-hour stakeout on a drug operation in an upscale hotel while Langston and Nick work on a case involving a woman's death linked to a fetish club.
223 17 "Irradiator" Michael Nankin Bradley Thompson & David Weddle April 8, 2010 (2010-04-08) 14.97[17]
Langston investigates the murder of a family and thinks that he has finally found a suspect for Dr. Jekyll. But all is not what it seems.
224 18 "Field Mice" Brad Tanenbaum Story by: Naren Shankar & Jennifer N. Levin
Teleplay by: Wallace Langham & Liz Vassey
April 15, 2010 (2010-04-15) 13.19[18]
Hodges and Wendy take a group of students on a field trip through the crime lab. They explain in detail cases the CSIs have done while picturing themselves in the crime investigators' roles. At the end of the episode, Wendy kisses Hodges.
225 19 "World's End" Alec Smight Evan Dunsky April 22, 2010 (2010-04-22) 13.35[19]
Catherine investigates the case of a student found dead near her daughter's school, leading to a world of racism and a dark secret from one of the school crew uncovered. The Rwandan Genocide is a subject in the episode.
226 20 "Take My Life, Please!" Martha Coolidge David Rambo & Dustin Lee Abraham April 29, 2010 (2010-04-29) 13.63[20]
The CSIs investigate the death of a legendary comedian who appears to have died under mysterious circumstances; Langston and Sara try to solve the case of a bullet-ridden corpse.
227 21 "Lost & Found" Frank Waldeck Corinne Marrinan & Elizabeth Devine May 6, 2010 (2010-05-06) 14.15[21]
The CSIs assist Brass in helping a family friend to solve the disappearance of her family during a car accident.
228 22 "Doctor Who" Jeffrey Hunt Tom Mularz May 13, 2010 (2010-05-13) 13.42[22]
A reporter covering the Dr. Jekyll serial murders is strangled to death and the victim's husband accuses Ray of the crime and of other deaths in the past that his wife investigated.
229 23 "Meat Jekyll" Alec Smight Story by: Naren Shankar
Teleplay by: Evan Dunsky
May 20, 2010 (2010-05-20) 14.35[23]
The CSIs attempt to capture the elusive Dr. Jekyll with the help of another serial murderer, Nate Haskell (Bill Irwin), who claims to know who he is.

See also[edit]


  1. ^ "Nielsen TV Ratings Shows Most Watched on DVRs through September 27; - Ratings | TVbytheNumbers". Tvbythenumbers.zap2it.com. Retrieved 2012-02-14. 
  2. ^ Seidman, Robert (October 6, 2009). "TV Ratings: Sunday Night Football, Grey's win week with adults 18-49; NCIS leads with total viewers". TV by the Numbers. Retrieved March 26, 2010. 
  3. ^ Seidman, Robert (October 13, 2009). "TV Ratings: Once again, Sunday Night Football, House, Grey's win week with adults 18-49; NCIS leads with total viewers". TV by the Numbers. Retrieved March 26, 2010. 
  4. ^ Seidman, Robert (October 20, 2009). "TV Ratings: Yet again Sunday Night Football, House, Grey's win week with adults 18-49; NCIS leads with total viewers". TV by the Numbers. Retrieved March 26, 2010. 
  5. ^ Seidman, Robert (November 3, 2009). "NCIS Rebroadcast Is the Week's Top Scripted Program". TV by the Numbers. Retrieved March 26, 2010. 
  6. ^ Seidman, Robert (November 10, 2009). "CBS first in viewers for sixth time in seven weeks; The Big Bang Theory is No. 1 comedy". TV by the Numbers. Retrieved March 26, 2010. 
  7. ^ Seidman, Robert (November 18, 2009). "TV Ratings: Sunday Night Football, Grey's Anatomy, NCIS; top weekly broadcast charts". TV by the Numbers. Retrieved March 26, 2010. 
  8. ^ Seidman, Robert (November 24, 2009). "TV Ratings: Sunday Night Football, AMAs, Grey's, Big Bang, House and NCIS top weekly broadcast charts". TV by the Numbers. Retrieved March 26, 2010. 
  9. ^ Seidman, Robert (December 15, 2009). "TV Ratings: Sunday Night Football, Big Bang Theory, Biggest Loser and CSI top weekly broadcast charts". TV by the Numbers. Retrieved March 26, 2010. 
  10. ^ Gorman, Bill (December 22, 2009). "CBS Dominates The Week In All Key Measures With Its Best Ratings In A Month". TV by the Numbers. Retrieved March 26, 2010. 
  11. ^ Seidman, Robert (January 20, 2010). "TV Ratings: American Idol, Indianapolis Colts, NCIS and The Big Bang Theory top weekly viewing". TV by the Numbers. Retrieved March 26, 2010. 
  12. ^ Seidman, Robert (January 26, 2010). "TV Ratings: NFC Championship, American Idol, dominate weekly viewing". TV by the Numbers. Retrieved March 26, 2010. 
  13. ^ Seidman, Robert (February 9, 2010). "TV Ratings: Super Bowl XLIV, Post Game and Undercover Boss Dominate Weekly Viewing". TV by the Numbers. Retrieved March 26, 2010. 
  14. ^ Seidman, Robert (March 9, 2010). "TV Ratings Top 25: Oscars, American Idol & The Big Bang Theory Top Weekly Broadcast Charts". TV by the Numbers. Retrieved March 26, 2010. 
  15. ^ Seidman, Robert (March 16, 2010). "TV Ratings Top 25: American Idol, Big Bang Theory, NCIS Top Weekly Broadcast Charts". TV by the Numbers. Retrieved March 26, 2010. 
  16. ^ Seidman, Robert (April 3, 2010). "Thursday Finals, FlashForward, Marriage Ref Inch Up, The Mentalist Inches Down". TV by the Numbers. Retrieved April 3, 2010. 
  17. ^ "Thursday Broadcast Finals: Survivor, Bones, Vampire Diaries Adjusted Up, CSI Down". TV by the Numbers. April 9, 2010. Retrieved April 10, 2010. 
  18. ^ "Thursday Broadcast Finals: Survivor, Bones Adjusted Up, CSI Adjusted Down". TV by the Numbers. April 16, 2010. Retrieved April 17, 2010. 
  19. ^ "Thursday Broadcast Finals: Vampire Diaries, Supernatural Adjusted Up, Community Office Adjusted Down". TV by the Numbers. April 23, 2010. Retrieved April 24, 2010. 
  20. ^ "Thursday Finals FlashForward, Survivor, Bones Adjusted Up; Community, Parks & Rec, Private Practice Adjusted Down". TV By The Numbers. April 30, 2010. Retrieved 2010-04-30. 
  21. ^ Seidman, Robert (May 7, 2010). "Thursday Finals: "Survivor," "Bones," Adjusted Up; "30 Rock" Adjusted Down". TV By The Numbers. Retrieved May 7, 2010. 
  22. ^ Seidman, Robert (May 14, 2010). "Thursday Finals: Survivor, Grey’s Anatomy, CSI, Mentalist, Community Adjusted Up". TV By The Numbers. Retrieved May 14, 2010. 
  23. ^ "TV Ratings Top 25: Dancing Tops Idol With Viewers Again, Lost Finale Wins With Adults 18-49 - Ratings | TVbytheNumbers". Tvbythenumbers.zap2it.com. Retrieved 2012-02-14.