The CSI's must catch a madman causing havoc all over Miami and the team has to mourn one of their own.

An escaped prisoner takes Natalia hostage and tells her a shocking secret about his crimes.

In the season finale, Horatio must capture an escapee again when their transport plane crashes. And the team was shocked to discover that the fugitive has planned more than that.

Memmo makes a return, bringing chaos to Miami and pitting him against Horatio in a final showdown.

When a high school bully dies as a result of a stoning, the CSIs have to find out which nerd is responsible.

When a girl is kidnapped, the only witness is a blind man who heard the abduction.

When a man claims to have dreamed of a murder before it happened, Horatio and Natalia go under cover to investigate him.

The team hunt for a serial killer before he can take another victim - who may be one of the team.

The CSIs uncover an exclusive hunting club where the prey is human.

When the CSIs find a co-ed dead in a hot tub, they investigate a case marked by jealousy, psychosis and college roommates.

When Horatio chases down a mysterious murder suspect who claims he was framed, he discovers an elaborate charade.

When the man who killed Horatio's wife breaks out of prison and goes on a rampage, the team tries to determine what he is after.

After a fire hydrant washes away evidence, the team must recreate a bizarre double murder.

When a woman is murdered at an exclusive club, Horatio must search through an elite guest list to find the killer.

When the investigation of a dead millionaire leads the CSIs to an elite dating service, Ryan poses as a wealthy businessman to expose the matchmaker's lies.

The team must figure out why a fisherman is being targeted and keep him from being killed.

On the 200th episode Horatio must find an attacker and save a pregnant woman and hope he has an idea as to why she was attacked.

When a delivery truck driver and a housewife on his route are murdered, the CSIs try to find their connection.

Horatio must protect a fighter from his brother who escaped prison.

After an explosion at a sugar refinery information about an employee an comes to light.

The team investigates a murder at a roller derby match.

When a reality TV star is murdered, the CSIs investigate the show's cast, the obsessed fans and the stars' hidden pasts.