No. in
series |
No. in
season |
Title |
Directed by |
Written by |
Original air date |
U.S. viewers
(millions) |
| 168 |
1 |
"Out of Time"(Part 2) |
Sam Hill |
Tamara Jaron |
September 21, 2009 (2009-09-21) |
14.20[2] |
|
Story continuation from last season; the team search for Delko. Meanwhile, Horatio flashes back to 1997 when he brought the team together. New CSI Jesse Cardoza (Eddie Cibrian) joins the group.
First appearance of: Jesse Cardoza. |
| 169 |
2 |
"Hostile Takeover" |
Allison Liddi-Brown |
Corey Evett & Matt Partney |
September 28, 2009 (2009-09-28) |
13.96[3] |
| A gunman attacks the Miami lab and holds four people, including Cardoza, hostage. Horatio is to serve as the negotiator, where the gunman has a rather unique request in exchange for the hostages. |
| 170 |
3 |
"Bolt Action" |
Gina Lamar |
Melissa Scrivner |
October 5, 2009 (2009-10-05) |
13.43[4] |
| Calleigh's testimony before IA may threaten Delko's future. Meanwhile three volleyball players mysteriously die during a game. |
| 171 |
4 |
"In Plane Sight" |
Larry Detwiler |
Robert Hornak |
October 12, 2009 (2009-10-12) |
13.27[5] |
| The CSI team are on the case of a repoman discovering a dead body on the plane he was supposed to repossess for his client. |
| 172 |
5 |
"Bad Seed" |
Matt Earl Beesley |
Brian Davidson |
October 19, 2009 (2009-10-19) |
13.16[6] |
| A lethal outbreak in Miami that is linked to deadly farming practices is investigated as murder. Alexx Woods (Khandi Alexander) returns to help with the case. |
| 173 |
6 |
"Dude, Where's My Groom?" |
Carey Meyer |
Brett Mahoney |
November 2, 2009 (2009-11-02) |
12.52[7] |
|
A groom goes missing, and the CSIs recreate his debauched bachelor party to solve the case and a murder. A new CSI (Omar Benson Miller) joins the group.
First appearance of: Walter Simmons. |
| 174 |
7 |
"Bone Voyage" |
Sam Hill |
Barry O'Brien |
November 9, 2009 (2009-11-09) |
14.38[8] |
| Raymond Langston (Laurence Fishburne) from Las Vegas travels to Miami to aid a murder with possible ties to a human leg that was discovered in Vegas. This is the first part of the CSI: Trilogy. |
| 175 |
8 |
"Point of Impact" |
Eric Mirich |
Krystal Houghton |
November 16, 2009 (2009-11-16) |
13.26[9] |
| The CSIs investigate a horrible car crash to discover who or what caused it. The probe reveals the darkest secrets of the drivers involved. |
| 176 |
9 |
"Kill Clause" |
Scott Lautanen |
Jeremy R. Littman |
November 23, 2009 (2009-11-23) |
13.22[10] |
| Horatio and his team investigate when deadly jellyfish are used as murder weapons. Meanwhile, a mysterious woman from Jesse's past unexpectedly shows up. |
| 177 |
10 |
"Count Me Out" |
Marco Black |
Marc Dube |
December 7, 2009 (2009-12-07) |
12.72[11] |
| The CSIs investigate the death of a census worker, which leads to a high-speed car chase and an explosion that puts Ryan and Natalia in danger. |
| 178 |
11 |
"Delko for the Defense" |
Gina Lamar |
Tamara Jaron |
December 14, 2009 (2009-12-14) |
14.18[12] |
| The team discovers that Delko is working for an attorney defending a homeless man accused of raping and killing a wealthy woman. |
| 179 |
12 |
"Show Stopper" |
Sam Hill |
Corey Evett & Matt Partney |
January 11, 2010 (2010-01-11) |
13.65[13] |
| When America's sweetheart bursts into flames during a concert, the CSIs expose the dark side of pop stardom. |
| 180 |
13 |
"Die By the Sword" |
Matt Earl Beesley |
Melissa Scrivner |
January 18, 2010 (2010-01-18) |
13.16[14] |
| A man is chopped in half, and the lab tries to tie the case to a Japanese mobster, who seeks custody of his biological son, who was adopted by the victim. Meanwhile, Natalia's hearing loss nearly makes her a victim during the investigation.Boo Boo Stewart guest stars. |
| 181 |
14 |
"In The Wind" |
Allison Liddi-Brown |
Brett Mahoney |
February 1, 2010 (2010-02-01) |
13.44[15] |
| Horatio and the CSIs have 24 hours to find out if a man on death row is truly guilty. |
| 182 |
15 |
"Miami, We Have a Problem" |
Sam Hill |
Brian Davidson |
February 8, 2010 (2010-02-08) |
13.46[16] |
| A dead body falls from the sky, and the team discovers that he had been a passenger on a private commercial space flight. |
| 183 |
16 |
"L.A." |
Rob Zombie |
Barry O'Brien |
March 1, 2010 (2010-03-01) |
12.07[17] |
| Horatio and Delko travel to Los Angeles to clear Cardoza of an evidence tampering allegation that threatens the prosecution in current Miami murder case. |
| 184 |
17 |
"Getting Axed" |
Carey Meyer |
Krystal Houghton |
March 8, 2010 (2010-03-08) |
11.93[18] |
| The team does not have any difficulty finding suspects when a hated receptionist is murdered. |
| 185 |
18 |
"Dishonor" |
Sam Hill |
Marc Dube |
March 22, 2010 (2010-03-22) |
10.80[19] |
| Horatio's son, Kyle, seeks his father's help in solving a murder. |
| 186 |
19 |
"Spring Breakdown" |
Larry Detwiler |
Corey Evett & Matt Partney |
April 12, 2010 (2010-04-12) |
10.78[20] |
| The CSIs work on solving three separate homicides that occurred during Spring Break vacation. |
| 187 |
20 |
"Backfire" |
Don Tardino |
Tamara Jaron & Melissa Scrivner |
April 19, 2010 (2010-04-19) |
11.66[21] |
| The spirit of a victim haunts Calleigh until she is able to solve his murder. |
| 188 |
21 |
"Meltdown" |
Matt Earl Beesley |
K. David Bena & Brian Davidson |
May 3, 2010 (2010-05-03) |
9.62[22] |
| Evidence is stolen from the lab following a diamond heist and Eric Delko returns. |
| 189 |
22 |
"Mommie Deadest" |
Gina Lamar |
Krystal Houghton & Brett Mahoney |
May 10, 2010 (2010-05-10) |
11.10[23] |
| When a suburban soccer mom is murdered, the CSIs uncover her family's dark past, while Delko continues his undercover mission. |
| 190 |
23 |
"Time Bomb" |
Sam Hill |
Corey Evett & Matt Partney |
May 17, 2010 (2010-05-17) |
10.52[24] |
| When Horatio's ex-girlfriend is killed in an explosion, the team looks within their own department to find the killer. The team is uneasy as Eric returns to do some undercover investigation and evidence leads to the discovery of stolen diamonds in Ryan's house. They must find the real culprit and exonerate Ryan before things get out of hand. |
| 191 |
24 |
"All Fall Down"(Part 1) |
Joe Chappelle |
Barry O'Brien & Marc Dube |
May 24, 2010 (2010-05-24) |
12.38[25] |
| A serial killer taunts the CSIs by leaving them cryptic hints, and the longer it takes them to decode these puzzles, the higher the death toll rises. |