The team must find the connection between the two crime scenes; the killing of a drug dealer and the rape of a well-off family member.

The team investigates the death of a foreign exchange student, the search for two missing teenagers, and the robbery of 10 million dollars in golden bars.

The search of a missing 17-year-old girl, whose trip to Miami turns into an ongoing nightmare.

Horatio and the team are trying to figure out how to free an innocent young man after a harsh interrogation with Frank Tripp sends him to jail.

(Crossover episode with CSI: New York, Season 2 Episode 7.)

A crossover episode that concludes on "CSI NY" begins with a convicted serial killer who escapes after sabotaging an airplane that was flying him from New York to Miami, where he allegedly buried a body. After fleeing the crash site, the man goes on a killing spree and abducts a college student. Mac Tayor arrives to help Horatio track the killer since Mac originally arrested the man in New York.

The CSI's are called out to investigate the murder of a young woman who was about to sign her divorce papers. Soon the husband turns out to be the ideal suspect. The only strange thing about the case is the murder weapon: a nailgun. The case becomes complicated when one of the CSI's is attacked when he returns to the crime scene and ends up in hospital.

Eric Delko is at the bank, following an ATM taking his debit card, when three robbers wearing ski masks rush in. Delko knows he can’t win against the three robbers but when one of them tries to rape a girl it ends in a shootout. The security tape leads them to Miami University and to the robbers next target and Horatio manages to arrest one of them. The trail leads to a videogame named “Urban Hellraisers” and when Ryan Wolfe starts playing it, it turns the similarities between the game and the actual crimes are very big. It’s up to the team to catch the robbers before they commit a crime much more serious than the last one.

A drug lord is gunned in his Coconut Grove mansion and a suspect arrested at the scene claims he sells marijuana to Delko. Stetler, from Internal Affairs, investigates and the case quickly gets personal when Horatio gets involved. As for the shooting, the CSIs learn that two gunmen may have been involved. Also, Calleigh makes a major decision concerning her job.

The CSIs investigate the brutal murder of a man who was learning how to pick up women at a hot nightclub. Meanwhile, Horatio tries to help out Marisol, Eric Delko's sister, who was arrested on drug charges.

The Mala Noche strike again and it's up to the CSIs to bring them down once and for all. Also, MAJOR secrets are revealed about the characters and their love lives.

When Horatio's nemesis, Walter Resden targets someone close to him, Horatio tries to stop him. Also Eric Delko's relationship with Natalia is tested when she thinks she may be pregnant.

Alexx’s DNA is found throughout her neighborhood where she is suspected to be responsible for the death of a convicted child molester. The CSI team soon learns that mindset of the neighborhood could lead to any of community wanting the man gone. The team must find out who the real killer was to clear Alexx.

What appears to have been a horrible car accident claims the life of a woman. The evidence turns up more information and another body. During this intense murder investigation Natalia must confess a secret in order for the case to be solved.

After a group of wealthy women are robbed at a luxury day spa, evidence leads the CSIs to believe that this is a part of a much larger car chopping scam and each of these women are being targeted for a home robbery. Matters become worse when Horatio discovers that Marisol was also at the spa during robbery and he must now protect her when her life is threatened. Meanwhile, Ryan must deal with the fallout after he freezes during a shootout.

The CSI team must try to find out who is trying to kill a young couple who are released from prison. The couple was made out to be “media darlings” and soon find that not everyone though of them as darlings. Calleigh must work with her ex-boyfriend to help solve the case.

The CSI team must locate a woman who has been kidnapped and dialed a wrong number on her cell phone. To try and find the woman the team must first figure out whom the kidnapped woman was trying to call in the first place. Marisol has a difficult decision to make and Horatio helps her. Natalia is surprised when Ryan asks for Delko's permission to take her out on a date.

The team is sent to investigate the death of a local celebrity, who is found murdered in her bathtub. The list of suspects includes her musician boyfriend, her assistant and her rival. The search for a young abducted girl is triggered, and Horatio tells Delko of Marisol and his plans.

In this thrilling season finale, the loss of one of their own is the first hit the lab will take. Getting back to the lab to process the evidence, they find it has been taken over by Federal Agents looking for stolen money from a previous case.

The episode picks up straight where "One of Our Own" left off. Horatio and Delko have arrived in Rio de Janeiro to hunt down Antonio Riaz, who ordered the hit on Marisol. The problem is that Horatio can't stop thinking about his late wife, and Brazilian authorities aren't being very cooperative. While there, Horatio runs into Yelina and finds out that Raymond is missing again. Ray Jr., now fourteen, teams up with Brazilian authorities and will stop at nothing to bring his father home safe, until Horatio learns the terrible truth... Raymond is already dead. Now Horatio must stop his nephew from getting himself killed trying to chase a ghost.

Calleigh is run off of the road in to a canal and causes freshly collected evidence to be compromised. The team must work to find new evidence, as most of the water-damaged evidence is unusable.

The dead body of a celebrity is found at an A-list party. They soon discover that the murder is linked to a “death pool,” where gambling occurs on an offshore ship. A counterfeit ring is also discovered where 100-dollar bills are produced in this 100th episode of CSI: Miami.

The CSI’s investigate the murder of a male model and have to figure out the inner workings of the modeling world in order to find his killer.

When strange accidents occur in the lab, the CSI team is spooked during a death investigation involving voodoo. As Halloween is near everyone starts to think that the lab is cursed.

After an accident where the driver was decapitated during a dangerous stunt, the evidence leads the CSI’s to believe it was more than an accident. While gathering the evidence, the CSI’s find they must go into the world of “sideshows.”

After a young woman is found dead shortly after she was auctioned off for charity, the team finds that the woman was trying to uncover the true nature of the event’s host. As the team delves deeper into the investigation they soon discover a larger plot that could put Miami in danger.

A Marine recruiter is found dead on a civilian shooting range with various bullet holes in him, but there is no blood at the scene. The investigators uncover that the victim was dead before he was shot and that his body was pulled onto the range. As the case advances, Horatio determines the murder may be tied to the death of a marine in Iraq who was killed in combat. Likewise, Natalia is shocked to learn that Nick asked Valera out and that she accepted.

When terror suspect Sonya Barak is targeted by her own people for assassination, she goes on the run, and Horatio sets out to capture her, both to protect her and bring her to justice.

After Frank steps on a land mine at a crime scene Horatio and the Bomb Technicians must deactivate the bomb. Delko gets hit with a large lawsuit after breaking up a domestic dispute.

A truck carrying weapons that were confiscated from previous crimes are now back on the streets of Miami. An old enemy of Horatio's puts the lives of two CSI's in harms way after a confiscated missile is launched into courthouse allowing Clavo Cruz to escape during his arraignment and injuring one CSI and the fatality of another CSI.

Evidence suggests a victim may have been set up as bait, after he's found to have been attacked and killed by a black bear. It's discovered the killer may have been trying to hide another murder - that of a high priced hooker and her bodyguard, who were part of a prostitution ring catering to elite Miami clients.

After a movie star is killed at a celebrity rehab center, the CSI's investigate the secrets that the star was about to reveal and if this is what caused him to have been killed.

When the mistress involved with the husband in Miami's ugliest divorce battle is found to have been killed the divorce battle intensifies and the body count rises.

There's a serial killer on the loose marking all of his victims with a Y on their chests and one or more of the csi's lives are in danger in this season 5 finale

The team investigates the puzzling death of a student and find evidence that Tim Speedle may not be dead.

In the first of a two part episode, Horatio once again has to tangle with his ex, Julia, who has it out for him. Someone is out for Calleigh, and is compromising their investigation in the process.

In the second part of the two part episodes, Horatio deals with his past and the rest of the team works to rescue Calleigh from kidnappers.