Angie and Paula investigate the murder of an ex-con; Vega faces his boundary issues with Dr. Rogers and Lucas.

The team goes after a killer who is spreading a lethal pathogen across the city.

Angie fills in as staff sergeant while investigating a football player's wife's murder.

Angie and Vega must adjust their work dynamic while trying to bring a cop killer to justice.

Angie tries to take down a criminal who is determined to end her career.

The team searches for a common denominator in three homicides.

A photographer is the prime suspect in the murder of his assistant; Sergeant Gavin Saunders calls on the detectives for help.

A tarot card reader fails to predict her own murder; Vega hears from the doctor.

The team investigates a pilot who may be using his career for murder; Angie copes with Vega.

The team must balance law and justice in the murder of a street artist.

All clues in the murder of an armed robber lead the team to a sweet florist.

A father is murdered and his daughter is kidnapped; Angie continues to investigate the Neville Montgomery file.

Vega's need to pass the weapons recertification test hampers the investigation of two seemingly unrelated murders.

Struggling to accept Lucas' new position, Angie crosses the line by looking into a closed case.

A case involving Detective Vega's father and a young socialite lures Angie back to homicide.

Three years after a killer gets away, the team reunites to close the case.

Angie races to catch a killer who is an expert at covering their tracks.

A woman is murdered with what appears to be a medieval weapon.

A woman is found nail-gunned to death; Angie embraces her relationship with Jack; Vega's frustrations force him to look for other options.

Angie partners with an international agent to investigate the murder of a British politician's son.

Angie stays with a soldier who demands justice by taking the bullpen hostage.

Led by Detective Sergeant Hank Voight, Chicago P.D.'s elite Intelligence Unit combats the city's most heinous offenses - organized crime, drug trafficking, high profile murders and more. Determined to protect the city he loves, Voight and the team wield his own unique brand of justice. But now it's a new day and age in Chicago. With police under siege and under the microscope, and everyone from the federal government to the city's citizens watching, can their form of justice stand up to the law?

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.

Detective Kiera Cameron is a cop from the year 2077 who was raised to rely on technology more than anything else, even herself. Now she and a group of deadly criminals called Liber8 are trapped in present-day Vancouver. Cameron needs to stop Liber8 before it can take down the corporations which will one day rule the world -- thus altering the course of the future and changing the 2077 that Cameron calls home. She enlists the help of a teenage tech genius named Alec Sadler to help figure out a way to get her back to her own time, and she manages to work with the Vancouver Police Department with Detective Carlos Fonnegra to keep an eye on Liber8. With different ideals and backgrounds, Cameron and Fonnegra clash, but they trust each other, and Cameron is slowly learning to trust herself as well.

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.

A Florida team of forensics investigators uses cutting-edge scientific methods and old-fashioned police work to solve crimes. Horatio Caine, a former homicide detective, heads a group of investigators who work crimes amid the steamy tropical surroundings and cultural crossroads of Miami.

"Columbo" isn't the typical detective whodunit TV show. On most detective shows, viewers don't know who committed the crime until the detective pieces the clues together and figures it out. On this show, however, viewers see the crime unfold at the beginning of most episodes, including who the perpetrator is. The mystery and fun for viewers is trying to spot the clues that will lead Lt. Columbo (Peter Falk) to discover the culprit and watching the tricks he uses to get a confession. Episodes of "Columbo" were movie-length and ran sporadically on multiple networks during its run.

Agent Dwayne "King" Pride has a team out of New Orleans' NCIS field office that is investigating crimes that affect military personnel. He's a local guy with a drive to do the right thing and leads agents Christopher LaSalle -- who plays almost as hard as he works -- and former ATF agent Sonja Percy -- who finds being a part of a team an adjustment after years of working undercover assignments on her own. Eccentric coroner Dr. Loretta Wade supports them on cases. Together, they delve into the dark side of the colorful city that's a magnet for servicemen on leave.