Harry discovers there’s a mole at large in the Grid. Meanwhile, Ros and Adam board a plane undercover in an attempt to stop Iran becoming a nuclear power.

A live TV broadcast announcing the new peace accord between the UK, US and Iran is hijacked by armed gunmen. Can Adam and Ros defuse the situation before someone’s hurt?

Ros is in grave danger after Bob Hogan discovers she’s a traitor. Meanwhile, Harry’s brought before Yalta’s chief, whose identity shocks him to the core.

The team finds themselves suspended from the Grid following what happened involving Ros. Harry learns from an old adversary about a bomb he has planted in London. The team realizes…

Zaf and Adam participate in a mission in Tehran that goes wrong. As the investigation advances, the team realizes they’ve been lied to as to the goals of their mission.

The country faces a plague outbreak. In a race against time, the officers from Section D have to track down and quarantine everyone who might be infected, while preventing a…

A British plane is thought to have been hijacked and taken to an American airstrip. Ros is captured by the Yalta organisation when the team shows up and they learn…

As an Algerian extremist escapes his home detention, the team fears he may be plotting a terror attack on US businesses in the UK with the help of local Iranians….

Trouble begins for Mac when Clay Dobson becomes a free man due to a mistake he made. Stella learns the results of her HIV test from Adam.

Mac believes he can fight the internal affairs investigation that is about to be started against him because of what happened to Clay Dobson. Can Mac explain what happened to…

Can the team clear a tennis legend of murder? Also Mac believes that the continuing investigation into what happened with Clay Dobson is nothing but media pressure. Can friends and…

After Flack makes an enormous drug bust, and locks it up at CSI, the drug lords infiltrate the building at gunpoint to get them back. Now the team must resolve…

Illusionist Luke Blade may have to defend the art of magic after an illusion is thought to have killed two people. Back in Montana Lindsay will need to take herself…

At a French Revolution themed fundraiser at the UN, specifically at the French consulate, Mac, Stella and Hawkes find themselves hurdling diplomatic road blocks investigating two murders. Meanwhile, Danny and…

The team finds itself investigating the murders of three different people, only to discover that two of the murder victims are linked and may have been killed by the same…

The team must find out if one team’s fun led to murder in the New York version of the Iditarod. Another case involves the death of a kidnapper in an…

Can knowing a secret be a motive for murder? The CSI team must figure out if a change in gender is cause for the death of a showgirl. Also Lindsay…

Reed Garret gives Mac some interesting information regarding the death of a college student. Also the rest of the team will need to be a step ahead of Ava Brandt…

Mac may have a difficult time solving the murder of a music mogul the sister cleverly uses a lie detector test to cover up the crime. Stella wonders if she…

Danny and Mac have to go to Noah’s Ark to find out if a broken promise leads to his murder. Stella and Sheldon investigate the death of a man dressed…

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…

After a wealthy businessman is killed at a charity event the CSI’s first suspect his wife who was hosting the event. The blood evidence is thought to belong to the…

After a scalped body is found near a Native American casino, Horatio believes that the owners of the Casino and the County Supervisor may have had some involvement in the…

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…

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.

When one of Horatio’s team lets their personal problems contaminate the investigation involving a spurned ex-lover, Horatio has to fire that team member.

After the murder of a suspected carjacker the team discovers that he may have been involved with a formidable drug lord and was suspected of drug running off Miami’s shores.

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…

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…

Horatio has Eric rushed to the hospital and watches as the doctors try to revive him. The rest of the CSI team finds evidence that may lead them to Cruz.

The CSIs investigate when the parents of a baby sitter in an upscale neighborhood are murdered. As the team sorts through the neighbors’ secrets and lies, they find an unexpected…

After Nick is found to have been killed with all the evidence pointing to Natalia as the killer the rest of the team has been sidelined by the Internal Affairs…

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 serial killer is on the loose with a craving, making Calleigh its next victim, which also jeopardizes her ability to do her job.

Lifestyles of the rich and famous come under the CSI microscope when a wealthy family’s nanny turns up dead.

A rare and illegal machine gun that ‘vaporizes’ its victims is let loose on the streets of Miami.

The team uncovers the secret life of an unscrupulous FBI agent while investigating the murder of a young woman.

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

The murder investigation of a sports legend has complications when his body is lost by the lab.

Strange events begin to happen as the CSI team tracks down a serial killer who killed during a solar eclipse.