19 episodes · first aired 2011-09-25
| Still | # | Title | Overview | Air date | Rating |
|---|---|---|---|---|---|
 | 01 | Countermeasures 2011-09-25 | Horatio and Natalia's lives hang in the balance, as Horatio stands between Natalia and certain death. Meanwhile, it's a race against time for the team to capture escaped killer Jack Toller before he kills again. | 2011-09-25 | 7.4 |
Ratings shown are community scores. Once OMDB is wired, these become per-episode IMDB values.
| 02 |
Stiff 2011-10-02 |
The discovery of a strange murder weapon leads the CSIs into the world of gigolos. |
| 2011-10-02 |
| 5.4 |
 | 03 | Blown Away 2011-10-09 | A tornado touches down on a murder scene, damaging the evidence and putting Ryan and Walter in grave danger. | 2011-10-09 | 6.5 |
 | 04 | Look Who's Taunting 2011-10-16 | Horatio and his team are hunting a sadistic psychopath who tortures women - and one of them may still be alive. | 2011-10-16 | 6.0 |
 | 05 | Killer Regrets 2011-10-23 | Mexico's deadliest assassin is a target in Miami. Horatio's only hope is his worst enemy. | 2011-10-23 | 6.8 |
 | 06 | By the Book 2011-10-30 | In a deserted mansion, the CSIs find a body hanging that appears to have been killed by a vampire. | 2011-10-30 | 7.0 |
 | 07 | Sinner Takes All 2011-11-06 | A high stakes poker game is disrupted by a masked assassin, leaving one player dead and the CSIs baffled. | 2011-11-06 | 7.0 |
 | 08 | Dead Ringer 2011-11-13 | When Horatio finds another corpse with missing eyes, everything points to his nemesis, “The Taunter” – except he has an airtight alibi. | 2011-11-13 | 7.0 |
 | 09 | A Few Dead Men 2011-11-20 | The CSIs investigate when three convicted murderers are released from prison and someone starts killing them one by one. | 2011-11-20 | 7.8 |
 | 10 | Long Gone 2011-12-04 | Horatio is determined to find a family that completely disappeared. | 2011-12-04 | 7.7 |
 | 11 | Crowned 2011-12-11 | The CSIs expose the seedy underbelly of children’s beauty pageants when a contestant's mom is murdered. | 2011-12-11 | 6.7 |
 | 12 | Friendly Fire 2012-01-08 | An eccentric genius is assassinated with the most unique weapon the CSIs have ever seen. | 2012-01-08 | 7.7 |
 | 13 | Terminal Velocity 2012-01-29 | When a skydiver is murdered, the CSIs discover that he has more than 100 children and all of them are suspects. | 2012-01-29 | 7.4 |
 | 14 | Last Straw 2012-02-19 | When the sisters of a Miami sorority are knocked off one by one, the CSIs try to end the murder spree. | 2012-02-19 | 7.3 |
 | 15 | No Good Deed 2012-03-04 | When a neighborhood do-gooder is murdered, Horatio and the CSIs discover that he was planning to blow the whistle on something big. | 2012-03-04 | 7.3 |
 | 16 | Rest in Pieces 2012-03-11 | When the Miami Taunter strikes again, Horatio meets with the matriarch of the suspected killer's family. | 2012-03-11 | 7.3 |
 | 17 | At Risk 2012-03-18 | When a beloved tennis coach is nearly killed, Calleigh discovers a personal connection to the case. | 2012-03-18 | 7.0 |
 | 18 | Law & Disorder 2012-03-25 | A corruption scandal is uncovered by the CSI team which forces Horatio to face an old adversary. Malcolm McDowell returns as Darren Vogel. | 2012-03-25 | 7.7 |
 | 19 | Habeas Corpse 2012-04-08 | Every member of CSI is a suspect when one of the team's enemies is murdered. When the investigation becomes deadly, Samantha Owens ends up having to be rescued. | 2012-04-08 | 7.3 |
