# List of CSI: Crime Scene Investigation episodes

CSI: Crime Scene Investigation is an American procedural crime drama TV series that premiered on CBS on October 6, 2000. Since then, fifteen seasons have been broadcast.
The first season consisted of 23 episodes, including a two-part pilot episode written by series creator Anthony E. Zuiker. Seasons two, three, and four also had 23 episodes each, while season five had 25 episodes, including a two-part season finale directed by Quentin Tarantino. During seasons six and seven, the episode count was 24, whereas season eight had 17 episodes due to the 2007–08 Writers Guild of America strike. Season nine had 24 episodes, and season ten returned to the series standard of 23 episodes. Seasons eleven, twelve, thirteen, and fourteen set a new standard of 22 episodes per season, but the fifteenth season received a reduced order of 18 episodes. The two-hour series finale aired on September 27, 2015.
The first nine seasons have been released on DVD in Region 1 and Region 2 territories. Seasons 1, 8 (only in France, The Netherlands, Belgium and Germany), 9 (not in Belgium and Germany) and 10 (only in Germany) have been released on Blu-ray Disc. During the course of the series, 335 episodes of CSI: Crime Scene Investigation aired, including two specials.

## Series overview

| Season | Episodes | Episodes | Originally released | Originally released | Season ranking | Viewers (in millions) |
| Season | Episodes | Episodes | First released | Last released | Season ranking | Viewers (in millions) |
| 1 | 23 | 23 | October 6, 2000 (2000-10-06) | May 17, 2001 (2001-05-17) | 10 | 20.8 |
| 2 | 23 | 23 | September 27, 2001 (2001-09-27) | May 16, 2002 (2002-05-16) | 2 | 23.7 |
| 3 | 23 | 23 | September 26, 2002 (2002-09-26) | May 15, 2003 (2003-05-15) | 1 | 26.12 |
| 4 | 23 | 23 | September 25, 2003 (2003-09-25) | May 20, 2004 (2004-05-20) | 2 | 25.27 |
| 5 | 25 | 25 | September 23, 2004 (2004-09-23) | May 19, 2005 (2005-05-19) | 2 | 26.26 |
| 6 | 24 | 24 | September 22, 2005 (2005-09-22) | May 18, 2006 (2006-05-18) | 3 | 24.86 |
| 7 | 24 | 24 | September 21, 2006 (2006-09-21) | May 17, 2007 (2007-05-17) | 4 | 20.34 |
| 8 | 17 | 17 | September 27, 2007 (2007-09-27) | May 15, 2008 (2008-05-15) | 9 | 16.62 |
| 9 | 24 | 24 | October 9, 2008 (2008-10-09) | May 14, 2009 (2009-05-14) | 4 | 18.52 |
| 10 | 23 | 23 | September 24, 2009 (2009-09-24) | May 20, 2010 (2010-05-20) | 12 | 14.92 |
| 11 | 22 | 22 | September 23, 2010 (2010-09-23) | May 12, 2011 (2011-05-12) | 12 | 13.52 |
| 12 | 22 | 22 | September 21, 2011 (2011-09-21) | May 9, 2012 (2012-05-09) | 21 | 12.49 |
| 13 | 22 | 22 | September 26, 2012 (2012-09-26) | May 15, 2013 (2013-05-15) | 23 | 11.63 |
| 14 | 22 | 22 | September 25, 2013 (2013-09-25) | May 7, 2014 (2014-05-07) | 18 | 11.86 |
| 15 | 18 | 18 | September 28, 2014 (2014-09-28) | February 15, 2015 (2015-02-15) | 34 | 11.19 |
| Series finale | 2 | 2 | September 27, 2015 (2015-09-27) | September 27, 2015 (2015-09-27) | — | 12.22 |

## Episodes
### Season 1 (2000–01)

* Jorja Fox (Sara Sidle) joined the main cast in the second episode ("Cool Change").
* Eric Szmanda (Greg Sanders), Robert David Hall (Al Robbins), and David Berman (David Phillips) all had continuous arcs throughout the whole season.
| No. overall | No. in season | Title | Directed by | Written by | Original air date | Prod. code | US viewers (millions) |
| 1 | 1 | "Pilot" | Danny Cannon | Anthony E. Zuiker | October 6, 2000 (2000-10-06) | 100 | 17.30 |
| 2 | 2 | "Cool Change" | Michael Watkins | Anthony E. Zuiker | October 13, 2000 (2000-10-13) | 101 | 15.80 |
| 3 | 3 | "Crate 'n Burial" | Danny Cannon | Ann Donahue | October 20, 2000 (2000-10-20) | 103 | 14.23 |
| 4 | 4 | "Pledging Mr. Johnson" | R.J. Lewis | Josh Berman & Anthony E. Zuiker | October 27, 2000 (2000-10-27) | 104 | 14.89 |
| 5 | 5 | "Friends & Lovers" | Lou Antonio | Andrew Lipsitz | November 3, 2000 (2000-11-03) | 105 | 15.16 |
| 6 | 6 | "Who Are You?" | Danny Cannon | Carol Mendelsohn & Josh Berman | November 10, 2000 (2000-11-10) | 106 | 15.03 |
| 7 | 7 | "Blood Drops" | Kenneth Fink | Story by : Tish McCarthy Teleplay by : Ann Donahue | November 17, 2000 (2000-11-17) | 107 | 15.74 |
| 8 | 8 | "Anonymous" | Danny Cannon | Eli Talbert & Anthony E. Zuiker | November 24, 2000 (2000-11-24) | 108 | 13.24 |
| 9 | 9 | "Unfriendly Skies" | Michael Shapiro | Story by : Andrew Lipsitz Teleplay by : Andrew Lipsitz & Carol Mendelsohn & Anthony E. Zuiker | December 8, 2000 (2000-12-08) | 109 | 15.65 |
| 10 | 10 | "Sex, Lies and Larvae" | Thomas J. Wright | Josh Berman & Ann Donahue | December 22, 2000 (2000-12-22) | 110 | 14.88 |
| 11 | 11 | "The I-15 Murders" | Oz Scott | Carol Mendelsohn | January 12, 2001 (2001-01-12) | 102 | 17.49 |
| 12 | 12 | "Fahrenheit 932" | Danny Cannon | Jacqueline Zambrano | February 1, 2001 (2001-02-01) | 111 | 21.26 |
| 13 | 13 | "Boom" | Kenneth Fink | Josh Berman & Ann Donahue & Carol Mendelsohn | February 8, 2001 (2001-02-08) | 112 | 21.45 |
| 14 | 14 | "To Halve and to Hold" | Lou Antonio | Andrew Lipsitz & Ann Donahue | February 15, 2001 (2001-02-15) | 113 | 21.95 |
| 15 | 15 | "Table Stakes" | Danny Cannon | Story by : Elizabeth Devine Teleplay by : Anthony E. Zuiker & Carol Mendelsohn | February 22, 2001 (2001-02-22) | 114 | 20.88 |
| 16 | 16 | "Too Tough to Die" | Richard J. Lewis | Elizabeth Devine | March 1, 2001 (2001-03-01) | 115 | 23.72 |
| 17 | 17 | "Face Lift" | Lou Antonio | Josh Berman | March 8, 2001 (2001-03-08) | 116 | 23.00 |
| 18 | 18 | "$35K O.B.O." | Roy H. Wagner | Eli Talbert | March 29, 2001 (2001-03-29) | 117 | 21.57 |
| 19 | 19 | "Gentle, Gentle" | Danny Cannon | Ann Donahue | April 12, 2001 (2001-04-12) | 118 | 23.24 |
| 20 | 20 | "Sounds of Silence" | Peter Markle | Josh Berman & Andrew Lipsitz | April 19, 2001 (2001-04-19) | 119 | 23.50 |
| 21 | 21 | "Justice Is Served" | Thomas J. Wright | Jerry Stahl | April 26, 2001 (2001-04-26) | 120 | 22.33 |
| 22 | 22 | "Evaluation Day" | Kenneth Fink | Anthony E. Zuiker | May 10, 2001 (2001-05-10) | 121 | 18.90 |
| 23 | 23 | "The Strip Strangler" | Danny Cannon | Ann Donahue | May 17, 2001 (2001-05-17) | 122 | 18.98 |

### Season 2 (2001–02)

| No. overall | No. in season | Title | Directed by | Written by | Original air date | Prod. code | US viewers (millions) |
| 24 | 1 | "Burked" | Danny Cannon | Carol Mendelsohn & Anthony E. Zuiker | September 27, 2001 (2001-09-27) | 201 | 22.27 |
| 25 | 2 | "Chaos Theory" | Ken Fink | Eli Talbert & Josh Berman | October 4, 2001 (2001-10-04) | 202 | 19.68 |
| 26 | 3 | "Overload" | Richard J. Lewis | Josh Berman | October 11, 2001 (2001-10-11) | 203 | 22.73 |
| 27 | 4 | "Bully for You" | Thomas J. Wright | Ann Donahue | October 18, 2001 (2001-10-18) | 204 | 23.04 |
| 28 | 5 | "Scuba Doobie-Doo" | Jefrey Levy | Andrew Lipsitz & Elizabeth Devine | October 25, 2001 (2001-10-25) | 205 | 24.67 |
| 29 | 6 | "Alter Boys" | Danny Cannon | Ann Donahue | November 1, 2001 (2001-11-01) | 206 | 23.16 |
| 30 | 7 | "Caged" | Richard J. Lewis | Elizabeth Devine & Carol Mendelsohn | November 8, 2001 (2001-11-08) | 207 | 25.10 |
| 31 | 8 | "Slaves of Las Vegas" | Peter Markle | Jerry Stahl | November 15, 2001 (2001-11-15) | 208 | 25.11 |
| 32 | 9 | "And Then There Were None" | John Patterson | Story by : Josh Berman Teleplay by : Eli Talbert & Carol Mendelsohn | November 22, 2001 (2001-11-22) | 209 | 22.82 |
| 33 | 10 | "Ellie" | Charlie Correll | Anthony E. Zuiker | December 6, 2001 (2001-12-06) | 210 | 23.96 |
| 34 | 11 | "Organ Grinder" | Allison Liddi | Ann Donahue & Elizabeth Devine | December 13, 2001 (2001-12-13) | 211 | 17.47 |
| 35 | 12 | "You've Got Male" | Charlie Correll | Marc Dube & Corey Miller | December 20, 2001 (2001-12-20) | 212 | 23.67 |
| 36 | 13 | "Identity Crisis" | Kenneth Fink | Anthony E. Zuiker & Ann Donahue | January 17, 2002 (2002-01-17) | 213 | 24.07 |
| 37 | 14 | "The Finger" | Richard J. Lewis | Danny Cannon & Carol Mendelsohn | January 31, 2002 (2002-01-31) | 214 | 23.54 |
| 38 | 15 | "Burden of Proof" | Kenneth Fink | Ann Donahue | February 7, 2002 (2002-02-07) | 215 | 24.64 |
| 39 | 16 | "Primum Non Nocere" | Danny Cannon | Andrew Lipsitz | February 28, 2002 (2002-02-28) | 216 | 28.74 |
| 40 | 17 | "Felonious Monk" | Kenneth Fink | Jerry Stahl | March 7, 2002 (2002-03-07) | 217 | 26.73 |
| 41 | 18 | "Chasing the Bus" | Richard J. Lewis | Eli Talbert | March 28, 2002 (2002-03-28) | 218 | 25.24 |
| 42 | 19 | "Stalker" | Peter Markle | Anthony E. Zuiker & Danny Cannon | April 4, 2002 (2002-04-04) | 219 | 26.78 |
| 43 | 20 | "Cats in the Cradle" | Richard J. Lewis | Kris Dobkin | April 25, 2002 (2002-04-25) | 220 | 23.50 |
| 44 | 21 | "Anatomy of a Lye" | Kenneth Fink | Josh Berman & Andrew Lipsitz | May 2, 2002 (2002-05-02) | 221 | 26.17 |
| 45 | 22 | "Cross Jurisdictions" | Danny Cannon | Anthony E. Zuiker & Ann Donahue & Carol Mendelsohn | May 9, 2002 (2002-05-09) | 222 | 27.12 |
| 46 | 23 | "The Hunger Artist" | Richard J. Lewis | Jerry Stahl | May 16, 2002 (2002-05-16) | 223 | 27.00 |

### Season 3 (2002–03)

* Eric Szmanda (Greg Sanders) and Robert David Hall (Dr. Al Robbins) were promoted to the main cast as of this season.
* Wallace Langham (David Hodges) had a continuous arc starting with the eleventh episode, "Recipe for Murder".
| No. overall | No. in season | Title | Directed by | Written by | Original air date | Prod. code | US viewers (millions) |
| 47 | 1 | "Revenge Is Best Served Cold" | Danny Cannon | Anthony E. Zuiker & Carol Mendelsohn | September 26, 2002 (2002-09-26) | 302 | 30.47 |
| 48 | 2 | "The Accused Is Entitled" | Kenneth Fink | Ann Donahue & Elizabeth Devine | October 3, 2002 (2002-10-03) | 301 | 28.47 |
| 49 | 3 | "Let the Seller Beware" | Richard J. Lewis | Andrew Lipsitz & Anthony E. Zuiker | October 10, 2002 (2002-10-10) | 303 | 30.73 |
| 50 | 4 | "A Little Murder" | Tucker Gates | Naren Shankar & Ann Donahue | October 17, 2002 (2002-10-17) | 304 | 30.81 |
| 51 | 5 | "Abra-Cadaver" | Danny Cannon | Anthony E. Zuiker & Danny Cannon | October 31, 2002 (2002-10-31) | 306 | 28.95 |
| 52 | 6 | "The Execution of Catherine Willows" | Kenneth Fink | Carol Mendelsohn & Elizabeth Devine | November 7, 2002 (2002-11-07) | 305 | 27.86 |
| 53 | 7 | "Fight Night" | Richard J. Lewis | Andrew Lipsitz & Naren Shankar | November 14, 2002 (2002-11-14) | 307 | 29.94 |
| 54 | 8 | "Snuff" | Kenneth Fink | Ann Donahue & Bob Harris | November 21, 2002 (2002-11-21) | 308 | 25.97 |
| 55 | 9 | "Blood Lust" | Charlie Correll | Josh Berman & Carol Mendelsohn | December 5, 2002 (2002-12-05) | 309 | 29.74 |
| 56 | 10 | "High and Low" | Richard J. Lewis | Eli Talbert & Naren Shankar | December 12, 2002 (2002-12-12) | 310 | 25.89 |
| 57 | 11 | "Recipe for Murder" | Richard J. Lewis & J. Miller Tobin | Anthony E. Zuiker & Ann Donahue | January 9, 2003 (2003-01-09) | 311 | 25.48 |
| 58 | 12 | "Got Murder?" | Kenneth Fink | Sarah Goldfinger | January 16, 2003 (2003-01-16) | 312 | 27.87 |
| 59 | 13 | "Random Acts of Violence" | Danny Cannon | Danny Cannon & Naren Shankar | January 30, 2003 (2003-01-30) | 313 | 27.48 |
| 60 | 14 | "One Hit Wonder" | Félix Enríquez Alcalá | Corey Miller | February 6, 2003 (2003-02-06) | 314 | 25.60 |
| 61 | 15 | "Lady Heather's Box" | Richard J. Lewis | Story by : Anthony E. Zuiker & Ann Donahue & Josh Berman & Bob Harris Teleplay by : Carol Mendelsohn & Andrew Lipsitz & Naren Shankar & Eli Talbert | February 13, 2003 (2003-02-13) | 315 | 27.21 |
| 62 | 16 | "Lucky Strike" | Kenneth Fink | Eli Talbert & Anthony E. Zuiker | February 20, 2003 (2003-02-20) | 316 | 28.05 |
| 63 | 17 | "Crash and Burn" | Richard J. Lewis | Josh Berman | March 13, 2003 (2003-03-13) | 317 | 28.60 |
| 64 | 18 | "Precious Metal" | Deran Sarafian | Naren Shankar & Andrew Lipsitz | April 3, 2003 (2003-04-03) | 318 | 26.37 |
| 65 | 19 | "A Night at the Movies" | Matt Earl Beesley | Story by : Carol Mendelsohn Teleplay by : Danny Cannon & Anthony E. Zuiker | April 10, 2003 (2003-04-10) | 319 | 26.45 |
| 66 | 20 | "Last Laugh" | Richard J. Lewis | Story by : Bob Harris & Carol Mendelsohn Teleplay by : Bob Harris & Anthony E. Zuiker | April 24, 2003 (2003-04-24) | 320 | 25.22 |
| 67 | 21 | "Forever" | David Grossman | Sarah Goldfinger | May 1, 2003 (2003-05-01) | 321 | 22.67 |
| 68 | 22 | "Play with Fire" | Kenneth Fink | Naren Shankar & Andrew Lipsitz | May 8, 2003 (2003-05-08) | 322 | 25.10 |
| 69 | 23 | "Inside the Box" | Danny Cannon | Carol Mendelsohn & Anthony E. Zuiker | May 15, 2003 (2003-05-15) | 323 | 23.87 |

### Season 4 (2003–04)

| No. overall | No. in season | Title | Directed by | Written by | Original air date | Prod. code | US viewers (millions) |
| 70 | 1 | "Assume Nothing: Part 1" | Richard J. Lewis | Anthony E. Zuiker & Danny Cannon | September 25, 2003 (2003-09-25) | 402 | 26.91 |
| 71 | 2 | "All for Our Country: Part 2" | Richard J. Lewis | Story by : Richard Catalani Teleplay by : Andrew Lipsitz & Carol Mendelsohn | October 2, 2003 (2003-10-02) | 403 | 26.66 |
| 72 | 3 | "Homebodies" | Kenneth Fink | Naren Shankar & Sarah Goldfinger | October 9, 2003 (2003-10-09) | 401 | 26.53 |
| 73 | 4 | "Feeling the Heat" | Kenneth Fink | Anthony E. Zuiker & Eli Talbert | October 23, 2003 (2003-10-23) | 405 | 27.58 |
| 74 | 5 | "Fur and Loathing" | Richard J. Lewis | Jerry Stahl | October 30, 2003 (2003-10-30) | 406 | 27.35 |
| 75 | 6 | "Jackpot" | Danny Cannon | Naren Shankar & Carol Mendelsohn | November 6, 2003 (2003-11-06) | 407 | 29.64 |
| 76 | 7 | "Invisible Evidence" | Danny Cannon | Josh Berman | November 13, 2003 (2003-11-13) | 404 | 29.27 |
| 77 | 8 | "After the Show" | Kenneth Fink | Andrew Lipsitz & Elizabeth Devine | November 20, 2003 (2003-11-20) | 408 | 26.64 |
| 78 | 9 | "Grissom Versus the Volcano" | Richard J. Lewis | Story by : Josh Berman Teleplay by : Anthony E. Zuiker & Carol Mendelsohn | December 11, 2003 (2003-12-11) | 409 | 26.80 |
| 79 | 10 | "Coming of Rage" | Nelson McCormick | Story by : Richard Catalani Teleplay by : Sarah Goldfinger | December 18, 2003 (2003-12-18) | 410 | 24.69 |
| 80 | 11 | "Eleven Angry Jurors" | Matt Earl Beesley | Josh Berman & Andrew Lipsitz | January 8, 2004 (2004-01-08) | 411 | 27.48 |
| 81 | 12 | "Butterflied" | Richard J. Lewis | David Rambo | January 15, 2004 (2004-01-15) | 412 | 28.74 |
| 82 | 13 | "Suckers" | Danny Cannon | Danny Cannon & Josh Berman | February 5, 2004 (2004-02-05) | 414 | 29.27 |
| 83 | 14 | "Paper or Plastic?" | Kenneth Fink | Naren Shankar | February 12, 2004 (2004-02-12) | 413 | 30.71 |
| 84 | 15 | "Early Rollout" | Duane Clark | Story by : Elizabeth Devine Teleplay by : Anthony E. Zuiker & Carol Mendelsohn | February 19, 2004 (2004-02-19) | 415 | 30.87 |
| 85 | 16 | "Getting Off" | Kenneth Fink | Jerry Stahl | February 26, 2004 (2004-02-26) | 416 | 28.01 |
| 86 | 17 | "XX" | Deran Sarafian | Ethlie Ann Vare | March 11, 2004 (2004-03-11) | 417 | 27.40 |
| 87 | 18 | "Bad to the Bone" | David Grossman | Eli Talbert | April 1, 2004 (2004-04-01) | 418 | 26.47 |
| 88 | 19 | "Bad Words" | Rob Bailey | Sarah Goldfinger | April 15, 2004 (2004-04-15) | 419 | 23.79 |
| 89 | 20 | "Dead Ringer" | Kenneth Fink | Elizabeth Devine | April 29, 2004 (2004-04-29) | 420 | 26.37 |
| 90 | 21 | "Turn of the Screws" | Deran Sarafian | Story by : Carol Mendelsohn & Richard Catalani Teleplay by : Josh Berman | May 6, 2004 (2004-05-06) | 421 | 20.39 |
| 91 | 22 | "No More Bets" | Richard J. Lewis | Teleplay by : Naren Shankar & Carol Mendelsohn & Judith McCreary Story by : Andrew Lipsitz & Dustin Lee Abraham | May 13, 2004 (2004-05-13) | 422 | 22.53 |
| 92 | 23 | "Bloodlines" | Kenneth Fink | Story by : Eli Talbert & Sarah Goldfinger Teleplay by : Carol Mendelsohn & Naren Shankar | May 20, 2004 (2004-05-20) | 423 | 25.40 |

### Season 5 (2004–05)

* Louise Lombard (Sofia Curtis) and Jon Wellner (Henry Andrews) both had continuous arcs throughout the whole season.
| No. overall | No. in season | Title | Directed by | Written by | Original air date | Prod. code | US viewers (millions) |
| 93 | 1 | "Viva Las Vegas" | Danny Cannon | Danny Cannon & Carol Mendelsohn | September 23, 2004 (2004-09-23) | 501 | 30.57 |
| 94 | 2 | "Down the Drain" | Kenneth Fink | Naren Shankar | October 7, 2004 (2004-10-07) | 502 | 28.43 |
| 95 | 3 | "Harvest" | David Grossman | Judith McCreary | October 14, 2004 (2004-10-14) | 503 | 28.89 |
| 96 | 4 | "Crow's Feet" | Richard J. Lewis | Josh Berman | October 21, 2004 (2004-10-21) | 504 | 26.54 |
| 97 | 5 | "Swap Meet" | Danny Cannon | David Rambo & Naren Shankar & Carol Mendelsohn | October 28, 2004 (2004-10-28) | 505 | 29.60 |
| 98 | 6 | "What's Eating Gilbert Grissom?" | Kenneth Fink | Sarah Goldfinger | November 4, 2004 (2004-11-04) | 506 | 30.58 |
| 99 | 7 | "Formalities" | Bill Eagles | Dustin Lee Abraham & Naren Shankar | November 11, 2004 (2004-11-11) | 507 | 29.64 |
| 100 | 8 | "Ch-Ch-Changes" | Richard J. Lewis | Jerry Stahl | November 18, 2004 (2004-11-18) | 508 | 31.46 |
| 101 | 9 | "Mea Culpa" | David Grossman | Story by : Carol Mendelsohn & Josh Berman Teleplay by : Josh Berman | November 25, 2004 (2004-11-25) | 509 | 24.38 |
| 102 | 10 | "No Humans Involved" | Rob Bailey | Judith McCreary | December 9, 2004 (2004-12-09) | 510 | 29.83 |
| 103 | 11 | "Who Shot Sherlock?" | Kenneth Fink | David Rambo & Richard Catalani | January 6, 2005 (2005-01-06) | 511 | 28.86 |
| 104 | 12 | "Snakes" | Richard J. Lewis | Dustin Lee Abraham | January 13, 2005 (2005-01-13) | 512 | 27.55 |
| 105 | 13 | "Nesting Dolls" | Bill Eagles | Sarah Goldfinger | February 3, 2005 (2005-02-03) | 513 | 24.95 |
| 106 | 14 | "Unbearable" | Kenneth Fink | Josh Berman & Carol Mendelsohn | February 10, 2005 (2005-02-10) | 514 | 27.85 |
| 107 | 15 | "King Baby" | Richard J. Lewis | Jerry Stahl | February 17, 2005 (2005-02-17) | 515 | 30.72 |
| 108 | 16 | "Big Middle" | Bill Eagles | Story by : Dustin Lee Abraham Teleplay by : Naren Shankar & Judith McCreary | February 24, 2005 (2005-02-24) | 516 | 28.11 |
| 109 | 17 | "Compulsion" | Duane Clark | Josh Berman & Richard Catalani | March 10, 2005 (2005-03-10) | 517 | 29.40 |
| 110 | 18 | "Spark of Life" | Kenneth Fink | Allen MacDonald | March 31, 2005 (2005-03-31) | 518 | 28.22 |
| 111 | 19 | "4x4" | Terrence O'Hara | Story by : Sarah Goldfinger & Naren Shankar Teleplay by : Dustin Lee Abraham & David Rambo | April 14, 2005 (2005-04-14) | 519 | 27.54 |
| 112 | 20 | "Hollywood Brass" | Bill Eagles | Sarah Goldfinger & Carol Mendelsohn | April 21, 2005 (2005-04-21) | 521 | 27.02 |
| 113 | 21 | "Committed" | Richard J. Lewis | Story by : Sarah Goldfinger & Uttam Narsu Teleplay by : Richard J. Lewis | April 28, 2005 (2005-04-28) | 520 | 23.68 |
| 114 | 22 | "Weeping Willows" | Kenneth Fink | Areanne Lloyd | May 5, 2005 (2005-05-05) | 522 | 26.65 |
| 115 | 23 | "Iced" | Richard J. Lewis | Josh Berman | May 12, 2005 (2005-05-12) | 525 | 26.46 |
| 116117 | 2425 | "Grave Danger" | Quentin Tarantino | Story by : Quentin Tarantino Teleplay by : Naren Shankar & Anthony E. Zuiker & Carol Mendelsohn | May 19, 2005 (2005-05-19) | 523524 | 30.73 |

### Season 6 (2005–06)

* Liz Vassey (Wendy Simms) had a continuous arc starting with the sixth episode ("Secrets and Flies").
| No. overall | No. in season | Title | Directed by | Written by | Original air date | US viewers (millions) |
| 118 | 1 | "Bodies in Motion" | Richard J. Lewis | Story by : Naren Shankar & Carol Mendelsohn Teleplay by : Naren Shankar | September 22, 2005 (2005-09-22) | 29.02 |
| 119 | 2 | "Room Service" | Kenneth Fink | Dustin Lee Abraham & Henry Alonso Myers | September 29, 2005 (2005-09-29) | 28.00 |
| 120 | 3 | "Bite Me" | Jeffrey Hunt | Story by : Josh Berman & Carol Mendelsohn Teleplay by : Josh Berman | October 6, 2005 (2005-10-06) | 28.85 |
| 121 | 4 | "Shooting Stars" | Danny Cannon | Danny Cannon | October 13, 2005 (2005-10-13) | 28.34 |
| 122 | 5 | "Gum Drops" | Richard J. Lewis | Sarah Goldfinger | October 20, 2005 (2005-10-20) | 28.48 |
| 123 | 6 | "Secrets and Flies" | Terrence O'Hara | Josh Berman | November 3, 2005 (2005-11-03) | 28.73 |
| 124 | 7 | "A Bullet Runs Through It, Part 1" | Danny Cannon | Richard Catalani & Carol Mendelsohn | November 10, 2005 (2005-11-10) | 29.55 |
| 125 | 8 | "A Bullet Runs Through It, Part 2" | Kenneth Fink | Richard Catalani & Carol Mendelsohn | November 17, 2005 (2005-11-17) | 28.98 |
| 126 | 9 | "Dog Eat Dog" | Duane Clark | Dustin Lee Abraham & Allen MacDonald | November 24, 2005 (2005-11-24) | 25.72 |
| 127 | 10 | "Still Life" | Richard J. Lewis | David Rambo | December 8, 2005 (2005-12-08) | 30.95 |
| 128 | 11 | "Werewolves" | Kenneth Fink | Josh Berman | January 5, 2006 (2006-01-05) | 27.23 |
| 129 | 12 | "Daddy's Little Girl" | Terrence O'Hara | Story by : Sarah Goldfinger & Naren Shankar Teleplay by : Sarah Goldfinger & Henry Alonso Myers | January 19, 2006 (2006-01-19) | 27.13 |
| 130 | 13 | "Kiss-Kiss, Bye-Bye" | Danny Cannon | David Rambo | January 26, 2006 (2006-01-26) | 25.86 |
| 131 | 14 | "Killer" | Kenneth Fink | Story by : Erik Saltzgaber Teleplay by : Naren Shankar & Dustin Lee Abraham | February 2, 2006 (2006-02-02) | 28.36 |
| 132 | 15 | "Pirates of the Third Reich" | Richard J. Lewis | Jerry Stahl | February 9, 2006 (2006-02-09) | 27.42 |
| 133 | 16 | "Up in Smoke" | Duane Clark | Josh Berman | March 2, 2006 (2006-03-02) | 27.81 |
| 134 | 17 | "I Like to Watch" | Kenneth Fink | Henry Alonso Myers & Richard Catalani | March 9, 2006 (2006-03-09) | 27.16 |
| 135 | 18 | "The Unusual Suspect" | Alec Smight | Allen MacDonald | March 30, 2006 (2006-03-30) | 25.23 |
| 136 | 19 | "Spellbound" | Jeffrey Hunt | Jacqueline Hoyt | April 6, 2006 (2006-04-06) | 23.33 |
| 137 | 20 | "Poppin' Tags" | Bryan Spicer | Dustin Lee Abraham | April 13, 2006 (2006-04-13) | 24.42 |
| 138 | 21 | "Rashomama" | Kenneth Fink | Sarah Goldfinger | April 27, 2006 (2006-04-27) | 27.36 |
| 139 | 22 | "Time of Your Death" | Dean White | Story by : Danny Cannon Teleplay by : David Rambo & Richard Catalani | May 4, 2006 (2006-05-04) | 26.05 |
| 140 | 23 | "Bang-Bang" | Terrence O'Hara | Anthony E. Zuiker & Naren Shankar | May 11, 2006 (2006-05-11) | 27.04 |
| 141 | 24 | "Way to Go" | Kenneth Fink | Jerry Stahl | May 18, 2006 (2006-05-18) | 25.40 |

### Season 7 (2006–07)

* Louise Lombard (Sofia Curtis) was promoted to the main cast as of this season, and then she leaves the show after the season finale ("Living Doll").
* David Berman (David Phillips), Wallace Langham (David Hodges), Jon Wellner (Henry Andrews), and Liz Vassey (Wendy Simms) all had continuous arcs throughout the whole season.
| No. overall | No. in season | Title | Directed by | Written by | Original air date | US viewers (millions) |
| 142 | 1 | "Built to Kill, Part 1" | Kenneth Fink | Story by : Sarah Goldfinger Teleplay by : David Rambo & Naren Shankar | September 21, 2006 (2006-09-21) | 22.57 |
| 143 | 2 | "Built to Kill, Part 2" | Kenneth Fink | Story by : David Rambo Teleplay by : Sarah Goldfinger & Naren Shankar | September 28, 2006 (2006-09-28) | 23.77 |
| 144 | 3 | "Toe Tags" | Jeffrey Hunt | Story by : Allen MacDonald & Carol Mendelsohn Teleplay by : Richard Catalani & Douglas Petrie | October 5, 2006 (2006-10-05) | 21.51 |
| 145 | 4 | "Fannysmackin'" | Richard J. Lewis | Dustin Lee Abraham | October 12, 2006 (2006-10-12) | 21.85 |
| 146 | 5 | "Double-Cross" | Michael Slovis | Marlane Meyer | October 19, 2006 (2006-10-19) | 20.49 |
| 147 | 6 | "Burn Out" | Alec Smight | Jacqueline Hoyt | November 2, 2006 (2006-11-02) | 20.77 |
| 148 | 7 | "Post-Mortem" | Richard J. Lewis | Story by : Naren Shankar Teleplay by : Dustin Lee Abraham & David Rambo | November 9, 2006 (2006-11-09) | 20.83 |
| 149 | 8 | "Happenstance" | Jean de Segonzac | Sarah Goldfinger | November 16, 2006 (2006-11-16) | 24.11 |
| 150 | 9 | "Living Legend" | Martha Coolidge | Story by : Carol Mendelsohn & Douglas Petrie Teleplay by : Douglas Petrie | November 23, 2006 (2006-11-23) | 17.17 |
| 151 | 10 | "Loco Motives" | Kenneth Fink | Evan Dunsky | December 7, 2006 (2006-12-07) | 23.25 |
| 152 | 11 | "Leaving Las Vegas" | Richard J. Lewis | Story by : Allen MacDonald & Carol Mendelsohn Teleplay by : Allen MacDonald | January 4, 2007 (2007-01-04) | 26.12 |
| 153 | 12 | "Sweet Jane" | Kenneth Fink | Kenneth Fink & Naren Shankar | January 18, 2007 (2007-01-18) | 21.41 |
| 154 | 13 | "Redrum" | Martha Coolidge | Story by : Richard Catalani & David Rambo Teleplay by : Jacqueline Hoyt & Carol Mendelsohn | January 25, 2007 (2007-01-25) | 21.17 |
| 155 | 14 | "Meet Market" | Paris Barclay | Dustin Lee Abraham | February 1, 2007 (2007-02-01) | 21.49 |
| 156 | 15 | "Law of Gravity" | Richard J. Lewis | Story by : Richard Catalani Teleplay by : Richard Catalani & Carol Mendelsohn | February 8, 2007 (2007-02-08) | 22.52 |
| 157 | 16 | "Monster in the Box" | Jeffrey Hunt | Douglas Petrie & Naren Shankar | February 15, 2007 (2007-02-15) | 22.71 |
| 158 | 17 | "Fallen Idols" | Christopher Leitch | Marlane Meyer | February 22, 2007 (2007-02-22) | 21.78 |
| 159 | 18 | "Empty Eyes" | Michael Slovis | Allen MacDonald | March 29, 2007 (2007-03-29) | 22.71 |
| 160 | 19 | "Big Shots" | Jeff Woolnough | Dustin Lee Abraham | April 5, 2007 (2007-04-05) | 21.69 |
| 161 | 20 | "Lab Rats" | Brad Tanenbaum | Story by : Naren Shankar & Sarah Goldfinger Teleplay by : Sarah Goldfinger | April 12, 2007 (2007-04-12) | 22.18 |
| 162 | 21 | "Ending Happy" | Kenneth Fink | Evan Dunsky | April 26, 2007 (2007-04-26) | 20.20 |
| 163 | 22 | "Leapin' Lizards" | Richard J. Lewis | Story by : Carol Mendelsohn & David Rambo Teleplay by : David Rambo | May 3, 2007 (2007-05-03) | 19.02 |
| 164 | 23 | "The Good, the Bad and the Dominatrix" | Alec Smight | Jacqueline Hoyt | May 10, 2007 (2007-05-10) | 18.75 |
| 165 | 24 | "Living Doll" | Kenneth Fink | Naren Shankar & Sarah Goldfinger | May 17, 2007 (2007-05-17) | 20.45 |

### Season 8 (2007–08)

* Wallace Langham (David Hodges) was promoted to the main cast as of this season.
* Jorja Fox (Sara Sidle) departed the show after the seventh episode, "Goodbye & Good Luck".
| No. overall | No. in season | Title | Directed by | Written by | Original air date | US viewers (millions) |
| 166 | 1 | "Dead Doll" | Kenneth Fink | Story by : Naren Shankar Teleplay by : Dustin Lee Abraham & Allen MacDonald | September 27, 2007 (2007-09-27) | 25.22 |
| 167 | 2 | "A La Cart" | Richard J. Lewis | Sarah Goldfinger & Richard Catalani | October 4, 2007 (2007-10-04) | 20.97 |
| 168 | 3 | "Go to Hell" | Jeffrey Hunt | Douglas Petrie | October 11, 2007 (2007-10-11) | 19.79 |
| 169 | 4 | "The Case of the Cross-Dressing Carp" | Alec Smight | David Rambo & Jacqueline Hoyt | October 18, 2007 (2007-10-18) | 21.22 |
| 170 | 5 | "The Chick Chop Flick Shop" | Richard J. Lewis | Evan Dunsky | November 1, 2007 (2007-11-01) | 19.06 |
| 171 | 6 | "Who & What" | Danny Cannon | Story by : Carol Mendelsohn & Naren Shankar Teleplay by : Richard Catalani & Danny Cannon | November 8, 2007 (2007-11-08) | 21.94 |
| 172 | 7 | "Goodbye & Good Luck" | Kenneth Fink | Story by : Allen MacDonald & Sarah Goldfinger Teleplay by : Allen MacDonald & Naren Shankar | November 15, 2007 (2007-11-15) | 21.37 |
| 173 | 8 | "You Kill Me" | Paris Barclay | Story by : Naren Shankar & Sarah Goldfinger Teleplay by : Douglas Petrie & Naren Shankar | November 22, 2007 (2007-11-22) | 14.75 |
| 174 | 9 | "Cockroaches" | William Friedkin | Dustin Lee Abraham | December 6, 2007 (2007-12-06) | 18.80 |
| 175 | 10 | "Lying Down With Dogs" | Michael Slovis | Christopher Barbour & Michael F.X. Daley | December 13, 2007 (2007-12-13) | 19.87 |
| 176 | 11 | "Bull" | Richard J. Lewis | Story by : David Rambo & Steven Felder Teleplay by : David Rambo | January 10, 2008 (2008-01-10) | 18.19 |
| 177 | 12 | "Grissom's Divine Comedy" | Richard J. Lewis | Story by : Jacqueline Hoyt & Carol Mendelsohn Teleplay by : Jacqueline Hoyt | April 3, 2008 (2008-04-03) | 20.58 |
| 178 | 13 | "A Thousand Days on Earth" | Kenneth Fink | Evan Dunsky | April 10, 2008 (2008-04-10) | 20.09 |
| 179 | 14 | "Drops' Out" | Jeffrey Hunt | Story by : Dustin Lee Abraham & Naren Shankar Teleplay by : Dustin Lee Abraham & Allen MacDonald | April 24, 2008 (2008-04-24) | 17.02 |
| 180 | 15 | "The Theory of Everything" | Christopher Leitch | Story by : Carol Mendelsohn & David Rambo Teleplay by : Douglas Petrie & David Rambo | May 1, 2008 (2008-05-01) | 18.01 |
| 181 | 16 | "Two and a Half Deaths" | Alec Smight | Chuck Lorre & Lee Aronsohn | May 8, 2008 (2008-05-08) | 18.07 |
| 182 | 17 | "For Gedda" | Kenneth Fink | Story by : Dustin Lee Abraham & Kenneth Fink Teleplay by : Dustin Lee Abraham & Richard Catalani | May 15, 2008 (2008-05-15) | 18.06 |

### Season 9 (2008–09)

* Gary Dourdan (Warrick Brown) departed the series after the season premiere, "For Warrick".
* William Petersen (Gil Grissom) left the show after the tenth episode, "One to Go".
* Laurence Fishburne as (Raymond Langston) was introduced in the ninth episode, "19 Down...", and was later promoted to the main cast in the eleventh episode, "The Grave Shift".
| No. overall | No. in season | Title | Directed by | Written by | Original air date | US viewers (millions) |
| 183 | 1 | "For Warrick" | Richard J. Lewis | Story by : Carol Mendelsohn Teleplay by : Allen MacDonald & Richard J. Lewis | October 9, 2008 (2008-10-09) | 23.49 |
| 184 | 2 | "The Happy Place" | Nathan Hope | Sarah Goldfinger | October 16, 2008 (2008-10-16) | 19.28 |
| 185 | 3 | "Art Imitates Life" | Kenneth Fink | Evan Dunsky | October 23, 2008 (2008-10-23) | 19.49 |
| 186 | 4 | "Let It Bleed" | Brad Tanenbaum | Corinne Marrinan | October 30, 2008 (2008-10-30) | 19.10 |
| 187 | 5 | "Leave Out All the Rest" | Kenneth Fink | Jacqueline Hoyt | November 6, 2008 (2008-11-06) | 18.18 |
| 188 | 6 | "Say Uncle" | Richard J. Lewis | Dustin Lee Abraham | November 13, 2008 (2008-11-13) | 19.05 |
| 189 | 7 | "Woulda, Coulda, Shoulda" | Brad Tanenbaum | Teleplay by : Allen MacDonald Story by: Naren Shankar & Allen MacDonald | November 20, 2008 (2008-11-20) | 18.45 |
| 190 | 8 | "Young Man with a Horn" | Jeffrey Hunt | David Rambo | December 4, 2008 (2008-12-04) | 17.48 |
| 191 | 9 | "19 Down…" | Kenneth Fink | Naren Shankar & Carol Mendelsohn | December 11, 2008 (2008-12-11) | 20.86 |
| 192 | 10 | "One to Go" | Alec Smight | Carol Mendelsohn & Naren Shankar | January 15, 2009 (2009-01-15) | 24.25 |
| 193 | 11 | "The Grave Shift" | Richard J. Lewis | David Weddle & Bradley Thompson | January 22, 2009 (2009-01-22) | 17.57 |
| 194 | 12 | "Disarmed & Dangerous" | Kenneth Fink | Dustin Lee Abraham & Evan Dunsky | January 29, 2009 (2009-01-29) | 20.15 |
| 195 | 13 | "Deep Fried & Minty Fresh" | Alec Smight | Corinne Marrinan & Sarah Goldfinger | February 12, 2009 (2009-02-12) | 17.94 |
| 196 | 14 | "Miscarriage of Justice" | Louis Shaw Milito | Richard Catalani & Jacqueline Hoyt | February 19, 2009 (2009-02-19) | 16.92 |
| 197 | 15 | "Kill Me If You Can" | Nathan Hope | Story by : Bradley Thompson & David Weddle Teleplay by : Allen MacDonald | February 26, 2009 (2009-02-26) | 17.72 |
| 198 | 16 | "Turn, Turn, Turn" | Richard J. Lewis | Tom Mularz | March 5, 2009 (2009-03-05) | 20.88 |
| 199 | 17 | "No Way Out" | Alec Smight | Fulvia Charles-Lindsay | March 12, 2009 (2009-03-12) | 17.13 |
| 200 | 18 | "Mascara" | William Friedkin | Story by : Dustin Lee Abraham & Naren Shankar Teleplay by : Dustin Lee Abraham | April 2, 2009 (2009-04-02) | 14.63 |
| 201 | 19 | "The Descent of Man" | Christopher Leitch | Evan Dunsky | April 9, 2009 (2009-04-09) | 16.63 |
| 202 | 20 | "A Space Oddity" | Michael Nankin | Story by : Naren Shankar Teleplay by : David Weddle & Bradley Thompson | April 16, 2009 (2009-04-16) | 15.72 |
| 203 | 21 | "If I Had a Hammer…" | Brad Tanenbaum | Story by : Daniel Steck Teleplay by : Allen MacDonald & Corinne Marrinan | April 23, 2009 (2009-04-23) | 14.64 |
| 204 | 22 | "The Gone Dead Train" | Alec Smight | Jacqueline Hoyt | April 30, 2009 (2009-04-30) | 15.54 |
| 205 | 23 | "Hog Heaven" | Louis Shaw Milito | David Rambo | May 7, 2009 (2009-05-07) | 14.91 |
| 206 | 24 | "All In" | Paris Barclay | Story by : Naren Shankar & Phillip Schenkler Teleplay by : Evan Dunsky & Richard Catalani | May 14, 2009 (2009-05-14) | 14.81 |

### Season 10 (2009–10)

* David Berman (David Phillips) and Liz Vassey (Wendy Simms) were promoted to the main cast as of this season. Liz Vassey departed in the season finale. ("Meat Jekyll").
* Jorja Fox (Sara Sidle) and Jon Wellner (Henry Andrews) both had a continuous arc throughout the whole season.
| No. overall | No. in season | Title | Directed by | Written by | Original air date | US viewers (millions) |
| 207 | 1 | "Family Affair" | Kenneth Fink | Story by : Naren Shankar Teleplay by : Bradley Thompson & David Weddle | September 24, 2009 (2009-09-24) | 16.04 |
| 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 |
| 209 | 3 | "Working Stiffs" | Naren Shankar | Naren Shankar | October 8, 2009 (2009-10-08) | 14.90 |
| 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 |
| 211 | 5 | "Bloodsport" | Jeffrey Hunt | Allen MacDonald | October 29, 2009 (2009-10-29) | 15.24 |
| 212 | 6 | "Death & The Maiden" | Brad Tanenbaum | Jacqueline Hoyt | November 5, 2009 (2009-11-05) | 15.60 |
| 213 | 7 | "The Lost Girls" | Alec Smight | David Weddle & Bradley Thompson | November 12, 2009 (2009-11-12) | 17.38 |
| 214 | 8 | "Lover's Lanes" | Andrew Bernstein | Dustin Lee Abraham | November 19, 2009 (2009-11-19) | 14.91 |
| 215 | 9 | "Appendicitement" | Kenneth Fink | Evan Dunsky | December 10, 2009 (2009-12-10) | 16.43 |
| 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 |
| 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 |
| 218 | 12 | "Long Ball" | Alec Smight | Christopher Barbour | January 21, 2010 (2010-01-21) | 14.29 |
| 219 | 13 | "Internal Combustion" | Brad Tanenbaum | Jennifer N. Levin | February 4, 2010 (2010-02-04) | 14.49 |
| 220 | 14 | "Unshockable" | Kenneth Fink | Michael Frost Beckner | March 4, 2010 (2010-03-04) | 15.59 |
| 221 | 15 | "Neverland" | Alec Smight | Tom Mularz | March 11, 2010 (2010-03-11) | 15.25 |
| 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 |
| 223 | 17 | "Irradiator" | Michael Nankin | Bradley Thompson & David Weddle | April 8, 2010 (2010-04-08) | 14.97 |
| 224 | 18 | "Field Mice" | Brad Tanenbaum | Story by : Naren Shankar & Jennifer N. Levin Teleplay by : Liz Vassey & Wallace Langham | April 15, 2010 (2010-04-15) | 13.19 |
| 225 | 19 | "World's End" | Alec Smight | Evan Dunsky | April 22, 2010 (2010-04-22) | 13.35 |
| 226 | 20 | "Take My Life, Please!" | Martha Coolidge | David Rambo & Dustin Lee Abraham | April 29, 2010 (2010-04-29) | 13.63 |
| 227 | 21 | "Lost & Found" | Frank Waldeck | Story by : Elizabeth Devine Teleplay by : Corinne Marrinan | May 6, 2010 (2010-05-06) | 14.15 |
| 228 | 22 | "Doctor Who" | Jeffrey Hunt | Tom Mularz | May 13, 2010 (2010-05-13) | 13.42 |
| 229 | 23 | "Meat Jekyll" | Alec Smight | Story by : Naren Shankar Teleplay by : Evan Dunsky | May 20, 2010 (2010-05-20) | 14.35 |

### Season 11 (2010–11)

* Jorja Fox (Sara Sidle) rejoins the main cast as of this season.
* Laurence Fishburne (Raymond Langston) departed the series after the season finale "In a Dark, Dark House".
| No. overall | No. in season | Title | Directed by | Written by | Original air date | US viewers (millions) |
| 230 | 1 | "Shockwaves" | Alec Smight | David Weddle & Bradley Thompson | September 23, 2010 (2010-09-23) | 14.69 |
| 231 | 2 | "Pool Shark" | Michael Nankin | Dustin Lee Abraham | September 30, 2010 (2010-09-30) | 13.41 |
| 232 | 3 | "Blood Moon" | Brad Tanenbaum | Treena Hancock & Melissa R. Byer | October 7, 2010 (2010-10-07) | 12.50 |
| 233 | 4 | "Sqweegel" | Jeffrey Hunt | Story by : Anthony E. Zuiker (Television Story); Anthony E. Zuiker and Duane Swierczynski (based on "Dark Origins") Teleplay by : Anthony E. Zuiker & Carol Mendelsohn | October 14, 2010 (2010-10-14) | 14.45 |
| 234 | 5 | "House of Hoarders" | Alec Smight | Christopher Barbour | October 21, 2010 (2010-10-21) | 14.96 |
| 235 | 6 | "Cold Blooded" | Louis Shaw Milito | Tom Mularz | October 28, 2010 (2010-10-28) | 14.27 |
| 236 | 7 | "Bump & Grind" | Michael Nankin | Don McGill | November 4, 2010 (2010-11-04) | 13.96 |
| 237 | 8 | "Fracked" | Martha Coolidge | Bradley Thompson & David Weddle | November 11, 2010 (2010-11-11) | 13.00 |
| 238 | 9 | "Wild Life" | Charles Haid | Melissa R. Byer & Treena Hancock | November 18, 2010 (2010-11-18) | 14.15 |
| 239 | 10 | "418/427" | Frank Waldeck | Michael Frost Beckner | December 9, 2010 (2010-12-09) | 13.17 |
| 240 | 11 | "Man Up" | Alec Smight | Michael F.X. Daley | January 6, 2011 (2011-01-06) | 14.22 |
| 241 | 12 | "A Kiss Before Frying" | Brad Tanenbaum | Evan Dunsky | January 20, 2011 (2011-01-20) | 14.34 |
| 242 | 13 | "The Two Mrs. Grissoms" | Steven Felder | Story by : Christopher Barbour Teleplay by : Treena Hancock & Melissa R. Byer | February 3, 2011 (2011-02-03) | 13.98 |
| 243 | 14 | "All That Cremains" | Jeffrey Hunt | Dustin Lee Abraham | February 10, 2011 (2011-02-10) | 12.64 |
| 244 | 15 | "Targets of Obsession" | Alec Smight | David Weddle & Bradley Thompson | February 17, 2011 (2011-02-17) | 13.29 |
| 245 | 16 | "Turn On, Tune In, Drop Dead" | Paul McCrane | Tom Mularz | February 24, 2011 (2011-02-24) | 12.41 |
| 246 | 17 | "The List" | Louis Shaw Milito | Richard Catalani | March 10, 2011 (2011-03-10) | 13.39 |
| 247 | 18 | "Hitting for the Cycle" | Alec Smight | Daniel Steck & Richard Catalani | March 31, 2011 (2011-03-31) | 12.76 |
| 248 | 19 | "Unleashed" | Brad Tanenbaum | Ed Whitmore & Anthony E. Zuiker | April 7, 2011 (2011-04-07) | 13.06 |
| 249 | 20 | "Father of the Bride" | Frank Waldeck | Evan Dunsky | April 28, 2011 (2011-04-28) | 10.84 |
| 250 | 21 | "Cello and Goodbye" | Alec Smight | Christopher Barbour & Don McGill | May 5, 2011 (2011-05-05) | 10.67 |
| 251 | 22 | "In a Dark, Dark House" | Jeffrey Hunt | Tom Mularz | May 12, 2011 (2011-05-12) | 11.77 |

### Season 12 (2011–12)

* Ted Danson (D.B. Russell) and Elisabeth Harnois (Morgan Brody) join the cast.
* Marg Helgenberger (Catherine Willows) departed the show in episode 12, "Willows in the Wind".
* Elisabeth Shue (Julie Finlay) was promoted to the main cast in the fourteenth episode ("Seeing Red").
| No. overall | No. in season | Title | Directed by | Written by | Original air date | US viewers (millions) |
| 252 | 1 | "73 Seconds" | Alec Smight | Gavin Harris | September 21, 2011 (2011-09-21) | 12.74 |
| 253 | 2 | "Tell-Tale Hearts" | Brad Tanenbaum | Story by : Larry M. Mitchell Teleplay by : Joe Pokaski | September 28, 2011 (2011-09-28) | 11.76 |
| 254 | 3 | "Bittersweet" | Frank Waldeck | Melissa R. Byer & Treena Hancock | October 5, 2011 (2011-10-05) | 11.98 |
| 255 | 4 | "Maid Man" | Martha Coolidge | Dustin Lee Abraham | October 12, 2011 (2011-10-12) | 10.93 |
| 256 | 5 | "CSI Down" | Jeffrey Hunt | Story by : Gavin Harris Teleplay by : Tom Mularz | October 19, 2011 (2011-10-19) | 10.79 |
| 257 | 6 | "Freaks & Geeks" | Alec Smight | Christopher Barbour | November 2, 2011 (2011-11-02) | 10.79 |
| 258 | 7 | "Brain Doe" | Brad Tanenbaum | Gavin Harris | November 9, 2011 (2011-11-09) | 10.16 |
| 259 | 8 | "Crime After Crime" | Paul McCrane | Story by : Richard Catalani Teleplay by : Tom Mularz | November 16, 2011 (2011-11-16) | 10.60 |
| 260 | 9 | "Zippered" | Alec Smight | Joe Pokaski | December 7, 2011 (2011-12-07) | 11.14 |
| 261 | 10 | "Genetic Disorder" | Frank Waldeck | Elizabeth Devine | December 14, 2011 (2011-12-14) | 12.23 |
| 262 | 11 | "Ms. Willows Regrets" | Louis Shaw Milito | Story by : Christopher Barbour Teleplay by : Christopher Barbour & Don McGill | January 18, 2012 (2012-01-18) | 12.02 |
| 263 | 12 | "Willows in the Wind" | Alec Smight | Story by : Carol Mendelsohn & Don McGill Teleplay by : Christopher Barbour & Richard Catalani | January 25, 2012 (2012-01-25) | 14.26 |
| 264 | 13 | "Tressed to Kill" | Brad Tanenbaum | Ed Whitmore | February 8, 2012 (2012-02-08) | 10.88 |
| 265 | 14 | "Seeing Red" | Frank Waldeck | Christopher Barbour & Tom Mularz | February 15, 2012 (2012-02-15) | 11.09 |
| 266 | 15 | "Stealing Home" | Alec Smight | Treena Hancock & Melissa R. Byer | February 22, 2012 (2012-02-22) | 11.91 |
| 267 | 16 | "CSI Unplugged" | Jeffrey Hunt | Gavin Harris | February 29, 2012 (2012-02-29) | 11.30 |
| 268 | 17 | "Trends with Benefits" | Louis Shaw Milito | Jack Gutowitz | March 14, 2012 (2012-03-14) | 11.71 |
| 269 | 18 | "Malice in Wonderland" | Alec Smight | Joe Pokaski | March 21, 2012 (2012-03-21) | 11.38 |
| 270 | 19 | "Split Decisions" | Brad Tanenbaum | Michael F.X. Daley & Richard Catalani | April 4, 2012 (2012-04-04) | 12.06 |
| 271 | 20 | "Altered Stakes" | David Semel | Story by : Melissa R. Byer & Treena Hancock Teleplay by : Elizabeth Devine | April 11, 2012 (2012-04-11) | 9.94 |
| 272 | 21 | "Dune and Gloom" | Jeffrey Hunt | Tom Mularz | May 2, 2012 (2012-05-02) | 9.75 |
| 273 | 22 | "Homecoming" | Alec Smight | Story by : Christopher Barbour & Larry M. Mitchell Teleplay by : Christopher Barbour & Don McGill | May 9, 2012 (2012-05-09) | 10.73 |

### Season 13 (2012–13)

* Jon Wellner (Henry Andrews) was promoted to the main cast as of this season.
| No. overall | No. in season | Title | Directed by | Written by | Original air date | US viewers (millions) |
| 274 | 1 | "Karma to Burn" | Alec Smight | Story by : Christopher Barbour Teleplay by : Christopher Barbour & Don McGill | September 26, 2012 (2012-09-26) | 10.76 |
| 275 | 2 | "Code Blue Plate Special" | Louis Shaw Milito | Andrew Dettmann | October 10, 2012 (2012-10-10) | 10.70 |
| 276 | 3 | "Wild Flowers" | Brad Tanenbaum | Joe Pokaski | October 17, 2012 (2012-10-17) | 10.63 |
| 277 | 4 | "It Was a Very Good Year" | Frank Waldeck | Gavin Harris | October 24, 2012 (2012-10-24) | 9.95 |
| 278 | 5 | "Play Dead" | Eagle Egilsson | Treena Hancock & Melissa R. Byer | October 31, 2012 (2012-10-31) | 10.91 |
| 279 | 6 | "Pick and Roll" | Alec Smight | Rick Eid | November 7, 2012 (2012-11-07) | 10.33 |
| 280 | 7 | "Fallen Angels" | Louis Shaw Milito | Tom Mularz | November 14, 2012 (2012-11-14) | 11.01 |
| 281 | 8 | "CSI on Fire" | Jeffrey Hunt | Story by : Carol Mendelsohn & Richard Catalani Teleplay by : Thomas Hoppe | November 21, 2012 (2012-11-21) | 10.77 |
| 282 | 9 | "Strip Maul" | Alec Smight | Christopher Barbour | November 28, 2012 (2012-11-28) | 12.11 |
| 283 | 10 | "Risky Business Class" | Frank Waldeck | Elizabeth Devine | December 12, 2012 (2012-12-12) | 9.59 |
| 284 | 11 | "Dead Air" | Phil Conserva | Joe Pokaski | January 16, 2013 (2013-01-16) | 11.14 |
| 285 | 12 | "Double Fault" | Brad Tanenbaum | Melissa R. Byer & Treena Hancock | January 23, 2013 (2013-01-23) | 11.46 |
| 286 | 13 | "In Vino Veritas" | Louis Shaw Milito | Rick Eid | February 6, 2013 (2013-02-06) | 10.97 |
| 287 | 14 | "Exile" | Jeffrey Hunt | Carlos M. Marimon | February 13, 2013 (2013-02-13) | 8.54 |
| 288 | 15 | "Forget Me Not" | Karen Gaviola | Andrew Dettmann | February 20, 2013 (2013-02-20) | 10.65 |
| 289 | 16 | "Last Woman Standing" | Brad Tanenbaum | Gavin Harris | February 27, 2013 (2013-02-27) | 9.44 |
| 290 | 17 | "Dead of the Class" | Alec Smight | Tom Mularz | March 20, 2013 (2013-03-20) | 10.53 |
| 291 | 18 | "Sheltered" | Louis Shaw Milito | Michael F.X. Daley | April 3, 2013 (2013-04-03) | 9.89 |
| 292 | 19 | "Backfire" | Frank Waldeck | Jack Gutowitz | April 10, 2013 (2013-04-10) | 11.11 |
| 293 | 20 | "Fearless" | Eagle Egilsson | Gavin Harris | May 1, 2013 (2013-05-01) | 9.49 |
| 294 | 21 | "Ghosts of the Past" | Brad Tanenbaum | Andrew Dettmann | May 8, 2013 (2013-05-08) | 9.82 |
| 295 | 22 | "Skin in the Game" | Alec Smight | Story by : Christopher Barbour Teleplay by : Christopher Barbour & Don McGill | May 15, 2013 (2013-05-15) | 9.53 |

### Season 14 (2013–14)

* Paul Guilfoyle (Jim Brass) departed the series after the season finale ("Dead in His Tracks").
| No. overall | No. in season | Title | Directed by | Written by | Original air date | US viewers (millions) |
| 296 | 1 | "The Devil and D.B. Russell" | Alec Smight | Story by : Christopher Barbour Teleplay by : Christopher Barbour & Don McGill | September 25, 2013 (2013-09-25) | 9.12 |
| 297 | 2 | "Take the Money and Run" | Louis Shaw Milito | Andrew Dettmann | October 2, 2013 (2013-10-02) | 9.66 |
| 298 | 3 | "Torch Song" | Brad Tanenbaum | Story by : Elizabeth Devine Teleplay by : Tom Mularz | October 9, 2013 (2013-10-09) | 8.82 |
| 299 | 4 | "Last Supper" | Frank Waldeck | Treena Hancock & Melissa R. Byer | October 16, 2013 (2013-10-16) | 9.45 |
| 300 | 5 | "Frame by Frame" | Alec Smight | Gavin Harris | October 23, 2013 (2013-10-23) | 10.45 |
| 301 | 6 | "Passed Pawns" | Phil Conserva | Story by : Michael F.X. Daley Teleplay by : Christopher Barbour | October 30, 2013 (2013-10-30) | 9.50 |
| 302 | 7 | "Under a Cloud" | Brad Tanenbaum | Elizabeth Devine & Richard Catalani | November 6, 2013 (2013-11-06) | 9.08 |
| 303 | 8 | "Helpless" | Karen Gaviola | Tom Mularz | November 13, 2013 (2013-11-13) | 10.47 |
| 304 | 9 | "Check In and Check Out" | Louis Shaw Milito | Andrew Dettmann | November 20, 2013 (2013-11-20) | 11.19 |
| 305 | 10 | "Girls Gone Wild" | Alec Smight | Melissa R. Byer & Treena Hancock | November 27, 2013 (2013-11-27) | 10.94 |
| 306 | 11 | "The Lost Reindeer" | Frank Waldeck | Gavin Harris | December 11, 2013 (2013-12-11) | 10.18 |
| 307 | 12 | "Keep Calm and Carry-On" | Brad Tanenbaum | Thomas Hoppe | January 15, 2014 (2014-01-15) | 10.30 |
| 308 | 13 | "Boston Brakes" | Eagle Egilsson | Christopher Barbour | January 22, 2014 (2014-01-22) | 9.47 |
| 309 | 14 | "De Los Muertos" | Louis Shaw Milito | Story by : Richard Catalani Teleplay by : Tom Mularz | February 5, 2014 (2014-02-05) | 11.16 |
| 310 | 15 | "Love for Sale" | Frank Waldeck | Andrew Dettmann | February 19, 2014 (2014-02-19) | 9.77 |
| 311 | 16 | "Killer Moves" | Alec Smight | Mary Leah Sutton | March 5, 2014 (2014-03-05) | 9.29 |
| 312 | 17 | "Long Road Home" | Phil Conserva | Gavin Harris | March 12, 2014 (2014-03-12) | 10.15 |
| 313 | 18 | "Uninvited" | Brad Tanenbaum | Story by : Treena Hancock & Melissa R. Byer Teleplay by : Elizabeth Devine | March 19, 2014 (2014-03-19) | 10.20 |
| 314 | 19 | "The Fallen" | Louis Shaw Milito | Deanna Shumaker | April 2, 2014 (2014-04-02) | 9.77 |
| 315 | 20 | "Consumed" | Karen Gaviola | Tom Mularz | April 9, 2014 (2014-04-09) | 9.11 |
| 316 | 21 | "Kitty" | Eagle Egilsson | Carol Mendelsohn & Ann Donahue & Anthony E. Zuiker | April 30, 2014 (2014-04-30) | 9.95 |
| 317 | 22 | "Dead in His Tracks" | Alec Smight | Andrew Dettmann | May 7, 2014 (2014-05-07) | 10.01 |

### Season 15 (2014–15)

* Elisabeth Shue (Julie Finlay) and George Eads (Nick Stokes) departed the series after the season finale "The End Game".
| No. overall | No. in season | Title | Directed by | Written by | Original air date | US viewers (millions) |
| 318 | 1 | "The CSI Effect" | Alec Smight | Christopher Barbour & Don McGill | September 28, 2014 (2014-09-28) | 9.36 |
| 319 | 2 | "Buzz Kill" | Frank Waldeck | Andrew Dettmann | October 5, 2014 (2014-10-05) | 8.04 |
| 320 | 3 | "Bad Blood" | Louis Shaw Milito | Tom Mularz | October 12, 2014 (2014-10-12) | 8.77 |
| 321 | 4 | "The Book of Shadows" | Brad Tanenbaum | Gavin Harris | October 19, 2014 (2014-10-19) | 8.85 |
| 322 | 5 | "Girls Gone Wilder" | Frank Waldeck | Melissa R. Byer & Treena Hancock | November 9, 2014 (2014-11-09) | 8.67 |
| 323 | 6 | "The Twin Paradox" | Phil Conserva | Christopher Barbour | November 16, 2014 (2014-11-16) | 8.45 |
| 324 | 7 | "Road to Recovery" | Alec Smight | Andrew Dettmann | November 23, 2014 (2014-11-23) | 7.88 |
| 325 | 8 | "Rubbery Homicide" | Louis Shaw Milito | Tom Mularz | November 30, 2014 (2014-11-30) | 8.30 |
| 326 | 9 | "Let's Make a Deal" | Brad Tanenbaum | Elizabeth Devine | December 7, 2014 (2014-12-07) | 7.89 |
| 327 | 10 | "Dead Rails" | Frank Waldeck | Gavin Harris | December 14, 2014 (2014-12-14) | 7.18 |
| 328 | 11 | "Angle of Attack" | Kevin Bray | M. Scott Veach | December 21, 2014 (2014-12-21) | 7.34 |
| 329 | 12 | "Dead Woods" | Phil Conserva | Treena Hancock & Melissa R. Byer | December 28, 2014 (2014-12-28) | 7.84 |
| 330 | 13 | "The Greater Good" | Alec Smight | Christopher Barbour | January 4, 2015 (2015-01-04) | 8.62 |
| 331 | 14 | "Merchants of Menace" | Claudia Yarmy | Tom Mularz | January 25, 2015 (2015-01-25) | 8.25 |
| 332 | 15 | "Hero to Zero" | Phil Conserva | Andrew Dettmann | January 25, 2015 (2015-01-25) | 8.30 |
| 333 | 16 | "The Last Ride" | Tim Beavers | Gavin Harris | January 27, 2015 (2015-01-27) | 10.38 |
| 334 | 17 | "Under My Skin" | Alrick Riley | Melissa R. Byer & Treena Hancock | February 15, 2015 (2015-02-15) | 7.12 |
| 335 | 18 | "The End Game" | Alec Smight | Christopher Barbour | February 15, 2015 (2015-02-15) | 7.12 |

### Series finale (2015)

Ted Danson, Jorja Fox, Eric Szmanda, Robert David Hall, Wallace Langham, Elisabeth Harnois, David Berman, and Jon Wellner star. William Petersen and Marg Helgenberger return. Paul Guilfoyle guest stars in Part 1.
| No. overall | No. in season | Title | Directed by | Written by | Original air date | U.S. viewers (millions) |
| 336 | 1 | "Immortality" | Louis Shaw Milito | Anthony E. Zuiker | September 27, 2015 (2015-09-27) | 12.22 |
| 337 | 2 | "Immortality" | Louis Shaw Milito | Anthony E. Zuiker | September 27, 2015 (2015-09-27) | 12.22 |