When a supposed air marshal is murdered on a flight to the District of Columbia, Mac searches the plane for the killer and the murder weapon.

The team investigates the puzzling death of a woman named Ann Steele. To solve the case, the team must look for a life size silicone doll. When the team runs…

The CSI team investigates the shooting death of an archaeologist whose secret life may have caught up to him.

The team is stunned to discover that Al-Qaeda’s number three wants to negotiate. It’s a risk, but Harry and the team have to take this chance for peace.

The British economy is on the brink of collapse and if one more bank goes down the entire financial system will implode. Ros goes undercover in the City to flush…

A teenage boy accidentally stumbles upon a government conspiracy and is instantly absorbed into the world of MI5, ending up on the run. Lucas and the team battle to protect…

Harry is imprisoned and accused by MI5 of being the Russian mole. Lucas disappears to Moscow in a bid to gather intelligence and get to the bottom of Harry’s arrest,…

With the Russians launching a nuclear strike on London, the only person who can help the team in this desperate hour is the traitor amongst them. With the Russians hunting…

The team steps in when a British soldier is kidnapped by Al-Qaeda. Meanwhile, an old protégé of Harry’s returns to the fold after eight years in a Russian prison –…

Harry vows revenge by taking down the head of Russia’s intelligence service in Britain with the help of Lucas North. Lucas’s loyalties, however, are secretly no longer with MI5 and…

With Lucas back within MI5 he reveals that the Russians interrogated him about Operation Sugar Horse, the most secret ongoing spy operation MI5 ever had. If the Russians know about…

The evidence on who shot Horatio leads the team to some of most Miami’s dangerous including one of their own.

The residents of Miami are killing each other after gas prices skyrocket and the CSI team encounters Miami’s most brutal crime ring yet.

Delko’s deepest secrets are threatened to be exposed when the daughter of his therapist is killed. The team rushes to find the killer before this happens.

Horatio and the CSI team are pit against Miami’s Russian mob after a barbaric double homicide in the Everglades.

While Horatio and the team investigate a murder at a trendy store, Horatio finds that Julia’s instabilities have turned her into a ticking time bomb.

Calleigh and Eric are put in danger when a 200-foot crane crashes into a tall Miami building. This also destroys Horatio’s best chances of catching a crime boss.

Handcuffed, a man is found in his own hotel room. Meanwhile, a prank at the Crime Lab threatens an investigation.

A baby is taken from her mother’s arms in broad daylight, and the team must race against time to find her.

When a savage killer runs rampant in Miami, Horatio must intervene to stop a member of the police force from getting too close to the case.

Horatio delves into Delko’s past to find the killer who targets the motel Delko is staying at.

Local tipsters help the CSI’s fight to save their neighborhood from a violent street gang’s attempt to take over the area.

Colonial Viper pilots plan an attack on the Resurrection Hub with their Cylon rebel allies.

D’Anna holds President Roslin and other Colonials hostage in order to draw out the Final Five from the Colonial fleet. Col. Tigh believes he has the solution to end the…

With President Roslin missing along with the cylon base ship a new president must be decided on. Galactica goes on a search for the missing base ship and the Galactica…

During the Cylon attack, Sam Anders has a strange encounter with a Cylon Raider. The crew of the Galactica view Starbuck’s return with suspicion and doubt. Gaius Baltar takes refuge…

The Cylons learn that the Final Five are in the Colonial fleet. Some of the Cylons want the Cavil model to stop lobotomizing the Raider ships. Starbuck desperately tries to…

Kara Thrace seeks her own path in the search for Earth while the Cylons face the threat of sentient Centurions. A member of Galactica’s crew learns a dark secret about…

Gaius Baltar sets off a debate on religious freedom when he promotes his belief in a single God.

Specialist Tyrol continues to sink into despair after his recent loss. He becomes curious about Gaius Baltar’s sermons and the following he has attracted. The crew of the Demetrius grow…

The dying President Roslin and the aggressive Viper pilot Kara Thrace try to accept the new terms of the relationship with the Cylons.

President Roslin faces challenges as the Colonials plot with Cylon rebels to destroy a Resurrection Hub.

A lawyer is run down by a car, then a man is shot down in a cafe. The only common link was that they were both caught on camera in…

After a body is found in a sinkhole, the team’s investigation into the victim’s death leads them to a robbery where the target is keeping a shocking secret.

A man is murdered when someone drops a piece of slate off a bridge. The team tracks the slate to one of their own and Alexx’s son becomes a suspect….

When a man is killed due to a fake 911 call, Horatio must face off with a private investigator who is systematically destroying the team. The PI also digs into…

As the first new medical examiner they have is shot, the CSIs learn the streets of Miami got more dangerous. Horatio must keep his team alive and restore order to…

The murder of a bride at a wedding leads the CSI team to a strip club as the investigation progresses.

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…

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.