Pirates take over a yacht; Calleigh and Delko's relationship moves to the next level.

The team goes head-to-head with a defense attorney (Sean Combs) who might be involved in a murder cover-up.

Alexx Wood comes back when a murderer puts Ryan's and Calleigh's lives at risk.

Horatio confronts a private investigator (Tom Sizemore) who is systematically destroying the team.

Saving Alexx's son has dire consequences when he becomes a suspect in a murder case.

A body in a sinkhole leads the team to a robbery; the target of the robbery has a shocking secret.

When a murder occurs during a horse race, Horatio discovers that Ryan has a personal connection to the case.

The CSI team uses radical technology to unlock the secrets of a man's mind when he shows up covered in blood with no memory of where he has been.

The CSI team, with the help of local tipsters, fights to save a neighborhood on the brink of being taken over by a violent street gang.

A man is found stabbed and handcuffed in a hotel room; a prank at the lab threatens an investigation and causes a rift in the team.

A crane crashes into a Miami high rise, putting Delko and Calleigh in danger, and ruining Horatio's best hope of catching a notorious crime boss.

While investigating a murder in a boutique, Horatio learns that Julia's (Elizabeth Berkley) instability has made her a danger to others.

Horatio looks into Delko's past when a shooter targets the motel where Delko is staying.

Horatio steps in to prevent a police officer from getting too close to the case when a savage killer runs rampant in Miami.

The team races the clock to find a baby kidnapped by a killer, to prevent the child from becoming the next victim.

A sadistic crime ring takes advantage of high gas prices when fuel becomes so pricey that citizens of Miami begin killing for it.

In its effort to determine who shot Horatio Caine, the team discovers evidence that leads to some of the most-dangerous people in Miami and to one of its own.

Horatio puts his life on the line when someone tries to take down the team.

The murder of a bride on her wedding day leads the team to a strip club.

The team uncovers a methedrine lab in a murder victim's apartment; an unscrupulous FBI agent has a secret life.

Horatio's ex, Kyle's mother, resurfaces as a billionaire's widow, who will do anything to get her son back.

A dedicated group of forensic investigators at the Las Vegas Crime Lab works to solve often-grisly crimes in Sin City. Heading up the graveyard shift (an appropriate term in this case) is supervisor D.B. Russell, a "Left Coast" Sherlock Holmes who devours crime novels. Members of Russell's team include Julie Finlay, Nick Stokes, Sara Sidle (the team's moral compass), Greg Sanders and Morgan Brody. The investigative team works closely with Capt. Jim Brass -- a seasoned detective who is a protector of CSI -- Dr. Al Robbins -- medical examiner -- and quirky lab technician David Hodges. Previous leaders of the group include Gil Grissom and Dr. Ray Langston.

An elite squad of FBI profilers analyzes the country's most-twisted criminal minds, anticipating the perpetrators' next moves before they can strike again. Each member of the "mind hunter" team brings his or her expertise to pinpoint predators' motivations and identify emotional triggers to stop them. The core group includes an official profiler who is highly skilled at getting into the minds of criminals, a quirky genius, the former media liaison who manages to adeptly balance family life and the job, and a computer wizard.

"Without a Trace" is a fast-paced procedural drama about the Missing Persons Squad of the Federal Bureau of Investigation in New York City. The sole responsibility of the special task force is to find missing persons by applying advanced psychological profiling techniques to the evidence and decide whether the missing people have been abducted, murdered, committed suicide or simply run away. Members of the unit include supervisory agent Jack Malone (Anthony LaPaglia) and field agent Samantha "Sam" Spade (Poppy Montgomery).

Dr. Temperance Brennan, a forensic anthropologist who works at the Jeffersonian Institution and also writes books, has an impressive ability to read clues from victims' bones. Consequently, law enforcement calls her to assist with investigations when remains are so badly decomposed, burned or destroyed that standard identification methods are useless. Brennan is teamed with Special Agent Seeley Booth, a former Army sniper, who mistrusts science and scientists when it comes to solving crimes but who has developed respect for Brennan, both professionally and personally.

This groundbreaking series from Executive Producer Dick Wolf's "Law & Order" franchise chronicles the ripped-from-the-headlines investigations of the NYPD's Special Victims Unit. Led by courageous and compassionate Lieutenant Olivia Benson, this elite team includes Detectives Odafin Tutuola, Amanda Rollins and Sonny Carisi, who focus on finding justice for the victims of the city's worst crimes. Assisting them is ADA Peter Stone, who seeks justice for SVU's victims and survivors with precision and a passion to win.

Naval Criminal Investigative Service Special Agent Leroy Jethro Gibbs leads a group of colorful personalities in investigating crimes -- ranging from murder and espionage to terrorism -- that have evidence connected to Navy and Marine Corps personnel. The team includes witty ex-homicide detective Anthony DiNozzo, quirky forensics specialist Abby Sciuto, and the brilliant -- if insecure -- Timothy McGee. Dr. Donald "Ducky" Mallard brings his vast experience in forensics into play to help solve cases.

This series is largely remembered for the stylish clothes Detectives Sonny Crockett and Ricardo Tubbs wore, the soundtrack, and its distinct visuals. But beneath the veneer is a surprisingly dark cop show. The cocaine boom of the 1980s framed many stories about drugs and murder, with Crockett and Tubbs often resorting to violence in the course of their work.