Aired: 9/25/2011
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.
Aired: 10/2/2011
The discovery of a strange murder weapon leads the CSIs into the world of gigolos.
Aired: 10/9/2011
A tornado touches down on a murder scene, damaging the evidence and putting Ryan and Walter in grave danger.
Aired: 10/16/2011
Horatio and his team are hunting a sadistic psychopath who tortures women - and one of them may still be alive.
Aired: 10/23/2011
Mexico's deadliest assassin is a target in Miami. Horatio's only hope is his worst enemy.
Aired: 10/30/2011
In a deserted mansion, the CSIs find a body hanging that appears to have been killed by a vampire.
Aired: 11/6/2011
A high stakes poker game is disrupted by a masked assassin, leaving one player dead and the CSIs baffled.
Aired: 11/13/2011
When Horatio finds another corpse with missing eyes, everything points to his nemesis, “The Taunter” – except he has an airtight alibi.
Aired: 11/20/2011
The CSIs investigate when three convicted murderers are released from prison and someone starts killing them one by one.
Aired: 12/4/2011
Horatio is determined to find a family that completely disappeared.
Aired: 12/11/2011
The CSIs expose the seedy underbelly of children’s beauty pageants when a contestant's mom is murdered.
Aired: 1/8/2012
An eccentric genius is assassinated with the most unique weapon the CSIs have ever seen.
Aired: 1/29/2012
When a skydiver is murdered, the CSIs discover that he has more than 100 children and all of them are suspects.
Aired: 2/19/2012
When the sisters of a Miami sorority are knocked off one by one, the CSIs try to end the murder spree.
Aired: 3/4/2012
When a neighborhood do-gooder is murdered, Horatio and the CSIs discover that he was planning to blow the whistle on something big.
Aired: 3/11/2012
When the Miami Taunter strikes again, Horatio meets with the matriarch of the suspected killer's family.
Aired: 3/18/2012
When a beloved tennis coach is nearly killed, Calleigh discovers a personal connection to the case.
Aired: 3/25/2012
A corruption scandal is uncovered by the CSI team which forces Horatio to face an old adversary. Malcolm McDowell returns as Darren Vogel.
Aired: 4/8/2012
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.
