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

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

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

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

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

The team investigates a murder at a roller derby match.

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

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.

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

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.

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

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

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

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.

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

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

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

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, on the eighth…

When Horatio’s ex-girlfriend is killed in an explosion, the team looks within their own department to find the killer.

When a suburban soccer mom is murdered, the CSIs uncover her family’s dark past, while Delko continues his undercover mission.

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.

A victim’s spirit won’t leave Calleigh alone until she finds justice for his murder.

Three hard partying, callous and seemingly unconnected young 20-somethings head to Spring Break for a wild time and end up in the morgue…

One of Kyle’s army friends tries to protect his girlfriend from an “honor killing” and winds up as the number-one suspect in a murder…

The team investigates the axe murder of an office receptionist who was not well liked by her colleagues…

Horatio heads to Los Angeles to hopefully clear Jesse’s name, all while a former sports superstar is being investigated after a girl is found dead in his home…

The C.S.I. crew try to figure out exactly how and why a passenger on a private space shuttle trip died in space after his body is found having plummeted out…

When doubt is cast on his murder conviction, a man receives a 24 hour stay of execution very little time for Horatio and the team to reaffirm his guilt or…

The bizarre case of a man chopped in half baffles the CSIs, while Natalia’s injury puts her and Ryan in jeopardy.

When America’s sweetheart, Phoebe Nichols, bursts into flames during a concert, the CSIs expose the dark side of pop stardom.

Eric Delko returns as an expert witness for the defense, pitting himself against his old team.

A young man gets involved with a dangerous operation in an effort to rescue his girlfriend who’s been brought to this country to work as an indentured servant…

Deadly jellyfish are used as a murder weapon, and a mysterious woman from Jesse’s past returns.

When the CSIs investigate who or what caused a horrific car accident, both drivers’ darkest secrets are revealed.

Horatio Caine calls Las Vegas CSI Ray Langston to come to Miami when a severed leg found in the Everglades is discovered to belong to a girl who went missing…

Two groomsmen wake up handcuffed together and covered in blood, with no memory of the raucous bachelor party the night before. Worse, the groom is missing…

Alexx Woods and Eric Delko return to help the CSIs stop a deadly outbreak in Miami.

When the most hated man in Miami is murdered, the CSIs go on the hunt for his killer and his hidden treasure.

Three volleyball players mysteriously drop dead on the court while Calleigh’s testimony against Delko threatens his future as a CSI.

Horatio takes point as the negotiator when an armed gunman storms CSI headquarters and takes hostages.