Season 10

1. Countermeasures

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 • 44 min

2. Stiff

The discovery of a strange murder weapon leads the CSIs into the world of gigolos.

2011-10-02 • 44 min

3. Blown Away

A tornado touches down on a murder scene, damaging the evidence and putting Ryan and Walter in grave danger.

2011-10-09 • 44 min

4. Look Who's Taunting

Horatio and his team are hunting a sadistic psychopath who tortures women - and one of them may still be alive.

2011-10-16 • 44 min

5. Killer Regrets

Mexico's deadliest assassin is a target in Miami. Horatio's only hope is his worst enemy.

2011-10-23 • 44 min

6. By the Book

In a deserted mansion, the CSIs find a body hanging that appears to have been killed by a vampire.

2011-10-30 • 42 min

7. Sinner Takes All

A high stakes poker game is disrupted by a masked assassin, leaving one player dead and the CSIs baffled.

2011-11-06 • 44 min

8. Dead Ringer

When Horatio finds another corpse with missing eyes, everything points to his nemesis, “The Taunter” – except he has an airtight alibi.

2011-11-13 • 43 min

9. A Few Dead Men

The CSIs investigate when three convicted murderers are released from prison and someone starts killing them one by one.

2011-11-20 • 44 min

10. Long Gone

Horatio is determined to find a family that completely disappeared.

2011-12-04 • 42 min

11. Crowned

The CSIs expose the seedy underbelly of children’s beauty pageants when a contestant's mom is murdered.

2011-12-11 • 44 min

12. Friendly Fire

An eccentric genius is assassinated with the most unique weapon the CSIs have ever seen.

2012-01-08 • 44 min

13. Terminal Velocity

When a skydiver is murdered, the CSIs discover that he has more than 100 children and all of them are suspects.

2012-01-29 • 45 min

14. Last Straw

When the sisters of a Miami sorority are knocked off one by one, the CSIs try to end the murder spree.

2012-02-19 • 45 min

15. No Good Deed

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 • 44 min

16. Rest in Pieces

When the Miami Taunter strikes again, Horatio meets with the matriarch of the suspected killer's family.

2012-03-11 • 44 min

17. At Risk

When a beloved tennis coach is nearly killed, Calleigh discovers a personal connection to the case.

2012-03-18 • 45 min

18. Law & Disorder

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 • 42 min

19. Habeas Corpse

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 • 44 min