CSI: Crime Scene Investigation
Season 10
Season 10 U.S. DVD cover
StarringLaurence Fishburne
Marg Helgenberger
George Eads
Eric Szmanda
Robert David Hall
Wallace Langham
Liz Vassey
David Berman
Paul Guilfoyle
No. of episodes23
Release
Original networkCBS
Original releaseSeptember 24, 2009 (2009-09-24) –
May 20, 2010 (2010-05-20)
Season chronology
← Previous
Season 9
Next →
Season 11
List of 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.

Plot

Riley Adams leaves the CSI team in turmoil, as Catherine's leadership skills are called into question ("Family Affair"), during the 10th 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").

Cast

Changes

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

Main article: List of CSI: Crime Scene Investigation characters

Recurring cast

Guest cast

Episodes

No.
overall		No. in
season		TitleDirected byWritten byOriginal air dateUS viewers
(millions)
2071"Family Affair"Kenneth FinkStory by : Naren Shankar
Teleplay by : Bradley Thompson & David Weddle		September 24, 2009 (2009-09-24)16.04[1]
The CSI team investigates 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 beaten to death in a motel. Gangsters break into the lab and steal a body, while getting into a gunfight with police; the body would later be known as her father's, which would later be found, shredded by a mulching machine. Meanwhile, Sara Sidle makes an unexpected visit to the lab while Grissom was addressing a group of students in Paris at the Sorbonne; with one CSI short, Sara was welcomed back on the team. Also: Ray becomes a CSI Level 2 after intensive training, with his own time and expense. Catherine learned that (between seasons) Riley Adams had resigned her post, over Catherine's leadership skills following Grissom's departure. And at the end, Ray and Dr. Robbins find something unusual in a body of a street performer.
2082"Ghost Town"Alec SmightStory by : Dustin Lee Abraham & Carol Mendelsohn
Teleplay by : Dustin Lee Abraham		October 1, 2009 (2009-10-01)15.94[2]
Nick, Greg and Sara investigate when 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, whom Grissom and his team investigated during the first two seasons; Ray, however, had doubts that he committed the crime. Meanwhile, Ray and Catherine begin to look into the work of "Dr. Jekyll" when they discovered the lower intestines of a deceased street performer wrapped around his spleen, like a bow tie around a package.
2093"Working Stiffs"Naren ShankarNaren ShankarOctober 8, 2009 (2009-10-08)14.90[3]
Two office colleagues - one an IT expert, the other a customer service representative - plan to rob a casino, with the "secret weapon" carried inside an RFID chip inside the IT guy's wrist. However, one of the aspiring crooks were found murdered in the woods, over doubts that the heist would succeed. The CSIs not only need to find the murderer, but also do so before he could break into the safe. Also: Hodges goes into a side hustle, producing videos about forensics for an equipment manufacturer.
2104"Coup de Grace"Paris BarclayStory by : David Rambo & Richard Catalani
Teleplay by : David Rambo		October 15, 2009 (2009-10-15)15.37[4]
A veteran white police officer is under investigation after the CSIs found preliminary evidence that he killed a black plainclothes police officer; the CSIs must determine if the shooting was accidental or premeditated, or if the death was racially motivated. Sara investigates a gang hit on a young boy suspected of snitching, further discovering that the two cases are connected, after the dead police officer is discovered to have that victim's phone number.
2115"Bloodsport"Jeffrey HuntAllen MacDonaldOctober 29, 2009 (2009-10-29)15.24[5]
A night after an important football game involving the WLVU Mustangs, a beloved college football coach was found murdered in his home, but not before the coach went about his morning routine like a zombie. Ray, Catherine and Nick investigate, with the entire team under suspicion in the case. The investigation reveals that the death may be linked to Sara and Greg's case of a dead hooker found in a submerged car, and a young man who tried to save her.
2126"Death & The Maiden"Brad TanenbaumJacqueline HoytNovember 5, 2009 (2009-11-05)15.60[6]
Two seemingly unrelated crimes are discovered to be connected to a bizarre revenge plot.
2137"The Lost Girls"Alec SmightDavid Weddle & Bradley ThompsonNovember 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.

This episode concludes a crossover with CSI: Miami and CSI: NY that begins on "Bone Voyage" and continues on "Hammer Down".
2148"Lover's Lanes"Andrew BernsteinDustin Lee AbrahamNovember 19, 2009 (2009-11-19)14.91[8]
Catherine, Nick, Sara and Greg investigate when a human head comes out of the ball return machine during a bowling tournament. Meanwhile, Ray re-investigates a murder after the convicted woman, who claimed to be innocent, hangs her herself in prison.
2159"Appendicitement"Kenneth FinkEvan DunskyDecember 10, 2009 (2009-12-10)16.43[9]
Andrews found himself "kidnapped" by a group of masked men who drove him into the desert, but in reality, the "kidnappers" were Nick, Greg, and Hodges, who take Andrews to a barbecue restaurant far from Las Vegas for his birthday, but not only they found it closed due to a Hepatitis B violation, they uncover two dead bodies, including one with ties to the violation. Meanwhile, Ray and Catherine investigate a double murder which could be committed by "Dr. Jekyll", one involving an implant of a second appendix into a self-made millionaire man with chronic disease, alongside his wife, found dead by drowning.
21610"Better Off Dead"Jeffrey HuntStory by : Richard Catalani & Tom Mularz
Teleplay by : Corinne Marrinan & Tom Mularz		December 17, 2009 (2009-12-17)15.58[10]
Nick and Greg investigate two fatalities at a gun store shootout, which was described as a shooting straight out of a Spaghetti Western. Meanwhile, Catherine and Sara investigate the death of a young woman who was dumped in the woods. The cases are found to be linked after a gun at the store is found to be the same one that killed the female victim - the link being a man in a red shirt, trying to find a way to die, but ended up killing others instead.
21711"Sin City Blue"Louis Shaw MilitoStory by : Daniel Steck
Teleplay by : David Rambo & Jacqueline Hoyt		January 14, 2010 (2010-01-14)15.33[11]
Catherine and Greg investigate when two beautiful women are murdered in a Las Vegas hotel and they uncover an unusual killer during their investigation. Meanwhile, Ray and Nick investigate a doctor who was practicing without a license and his possible link to "Dr. Jekyll", after discovering a dead body in a pick-up truck, accompanied with a truck full of surgical equipment and removed human organs.
21812"Long Ball"Alec SmightChristopher BarbourJanuary 21, 2010 (2010-01-21)14.29[12]
A legendary golf pro was found dead during a high-profile tournament; the prime suspect was a pro golfer who used "juiced" golf balls in his games. Golfers Natalie Gulbis, Rocco Mediate, Gary McCord, and Duffy Waldorf appear as themselves, as well as former pro David Feherty. Also guest stars Rosalind Chao.
21913"Internal Combustion"Brad TanenbaumJennifer N. LevinFebruary 4, 2010 (2010-02-04)14.49[13]
The deaths of two high-school students - one of a brain disorder, the other of a hit-and-run - connects to an illegal street race. The CSIs investigates that, and their involvement in a legal, police-sponsored drag race.
22014"Unshockable"Kenneth FinkMichael Frost BecknerMarch 4, 2010 (2010-03-04)15.59[14]
Catherine, Nick, and Greg suspect sabotage when the bass guitarist of country music band Rascal Flatts suffered an electric shock during a concert. He recovers, but has partial memory loss and different opinions and musical tastes, much to the bafflement of the CSIs and his bandmates. Meanwhile, Ray and Sara get entangled in an apparent government conspiracy when they investigate the decomposed body of a former CIA deputy director fished out of Lake Mead.
22115"Neverland"Alec SmightTom MularzMarch 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.
22216"The Panty Sniffer"Louis Shaw MilitoStory 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, which gets complicated when Archie stumbles across a body of a dead woman. The investigation of the body uncovers her links to a business selling used women's panties for men who take part in the fetish; its convention was in the same hotel as the unrelated stakeout. (Guest starred Curtis Armstrong.)
22317"Irradiator"Michael NankinBradley Thompson & David WeddleApril 8, 2010 (2010-04-08)14.97[17]
The team investigates the murder of a married couple, looking into its prime suspect: an engineer who designed precision tools for aerospace and medicine. Ray, however, believes the gunman was as much a victim as the couple and his elderly aunt he shot: he and Robbins discovered tiny "seeds" of radioactive material in the gunman's brain, leading them to believe it was the work of "Dr. Jekyll". Ray would discover him at a local hospital; however, a foot chase led to a dead end for Ray.
22418"Field Mice"Brad TanenbaumStory by : Naren Shankar & Jennifer N. Levin
Teleplay by : Liz Vassey & Wallace Langham		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. Nick and Greg investigate when several officers start suffering from bacterial symptoms; this was actually the start of a string of practical jokes orchestrated with the intent of disrupting Andrews’s day, in which he believes Hodges is responsible for these pranks, but it is revealed that Wendy is actually the culprit. When confronted by Catherine, Hodges claims responsibility for the jokes. At the end of the episode, Wendy kisses Hodges passionately.
22519"World's End"Alec SmightEvan DunskyApril 22, 2010 (2010-04-22)13.35[19]
After students near Catherine's daughter's high school discover that one or their classmates, of whom had neo-Nazi ties, was found dead in a sewer, the team's investigation uncovered a friendly relationship with a janitor, who claimed to be a survivor of the Rwandan genocide. Further investigation, however, uncovered something even more sinister.
22620"Take My Life, Please!"Martha CoolidgeDavid Rambo & Dustin Lee AbrahamApril 29, 2010 (2010-04-29)13.63[20]
Nick and Greg investigate the death of a legendary comedian (John Barbour) who appears to have died under mysterious circumstances. Also: Ray, Catherine and Sara try to solve the case of a corpse found to be riddled with numerous bullet holes. (Also guest starred Tim Conway and Jennifer Tilly.)
22721"Lost & Found"Frank WaldeckStory by : Elizabeth Devine
Teleplay by : Corinne Marrinan		May 6, 2010 (2010-05-06)14.15[21]
A bride and her bridesmaids almost were involved in a drunk driving incident involving an oncoming car and a semi. But after such avoidance, they struck a woman who was wandering around aimlessly in the desert at night. The CSIs assist Brass in helping solve the disappearance of her family during an earlier car accident, which would also include a child found dead for months in a storage trunk.
22822"Doctor Who"Jeffrey HuntTom MularzMay 13, 2010 (2010-05-13)13.42[22]
A woman reporter from New York City, who was covering the Dr. Jekyll serial murders for a magazine, was found strangled to death just outside the strip. The victim's husband falsely accuses Ray not only of being Dr. Jekyll, but also of other deaths in the past that his wife investigated, especially the "Angel of Death" murders back in Delaware. Catherine also became concerned that Ray has become too obsessed with the Dr. Jekyll case, giving that case more priority than the others. Later, Nate Haskell (Bill Irwin) called Ray, claiming that he has details on who and where Dr. Jekyll is.
22923"Meat Jekyll"Alec SmightStory by : Naren Shankar
Teleplay by : Evan Dunsky		May 20, 2010 (2010-05-20)14.35[23]
Serial murderer Nate Haskell comes to LVPD police headquarters under heavy guard to assist in the Dr. Jekyll case, claiming to know who he is. In addition, Ray receives a mysterious package that may hold important clues - including Dr. Jekyll's next victim. That clue would connect with Dr. Jekyll's other victims, but at a steep price, especially for Ray. (Guest starred Joseph Bologna and Marty Ingels.)

See also

References

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