As Delko's life hangs in the balance, Horatio flashes back 12 years to reveal how Miami's CSIs first met and became a team.
When the lab is attacked, Horatio must fulfill a gunman's unique request in order to save five hostages, including new CSI Jesse Cardoza.
Three volleyball players mysteriously drop dead on the court while Calleigh's testimony against Delko threatens his future as a CSI.
When the most hated man in Miami is murdered, the CSIs go on the hunt for his killer and his hidden treasure.
Alexx Woods and Eric Delko return to help the CSIs stop a deadly outbreak in Miami.
The CSIs recreate a night of bachelor party debauchery in order to solve a murder and find a missing groom.
Horatio Caine calls Las Vegas CSI Dr. Ray Langston to come to Miami when a severed leg found in the Everglades is discovered to belong to a girl who went missing in Las Vegas a week earlier.
When the CSIs investigate who or what caused a horrific car accident, both drivers' darkest secrets are revealed.
Deadly jellyfish are used as a murder weapon, and a mysterious woman from Jesse's past returns.
The investigation of a dead census worker sends the team into a high speed car chase and an explosion that threatens the lives of two CSIs.
Eric Delko returns as an expert witness for the defense, pitting himself against his old team.
When America's sweetheart, Phoebe Nichols, bursts into flames during a concert, the CSIs expose the dark side of pop stardom.
The bizarre case of a man chopped in half baffles the CSIs, while Natalia's injury puts her and Ryan in jeopardy.
The CSIs have 24 hours to find out if a man on death row is truly guilty, and Eric Delko returns to work the case.
The CSIs solve the murder of a man who was killed in outer space.
Horatio and Delko must travel to Los Angeles when a secret from Jesse's past may allow a killer to go free.
The CSIs unravel a workplace murder mystery when a hated receptionist is murdered.
When Horatio's son Kyle returns from war, he seeks his father's help to solve a murder.
Spring Break raises the body count in Miami when the CSI team splits up to solve three different murders.
A victim's spirit won't leave Calleigh alone until she finds justice for his murder.
A seemingly perfect jewelry heist ends in murder and when crime scene evidence is stolen from the lab, and Delko returns to find the culprit.
When a suburban soccer mom is murdered, the CSIs uncover her family's dark past, while Delko continues his undercover mission.
When Horatio's ex-girlfriend is killed in an explosion, the team looks within their own department to find the killer.
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.
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