Shows like Gang Related

Sergeant “Pepper"” Anderson, an undercover cop for the Criminal Conspiracy Unit of the Los Angeles Police Department, poses undercover from mob girl to prostitute.

Vinnie Terranova does time in a New Jersey penitentiary to set up his undercover role as an agent for the OCB (Organized Crime Bureau) of the United States. His roots in a traditional Italian city neighborhood form the underlying dramatic base throughout the series, bringing him into conflict with his conservative mother and other family members while acting undercover as syndicate enforcer.

Detective Cheng is commissioned by Interpol to destroy the Empire of Chaiba, a worldwide criminal organization based in Southeast Asia. He initiates an undercover operation to infiltrate the organization.

Major Crimes explores how the American justice system approaches the art of the deals as law enforcement officers and prosecutors work together to score a conviction. Los Angeles Police Captain Sharon Raydor heads up a special squad within the LAPD that deals with high-profile or particularly sensitive crimes.

Jack Regan, an unethical officer of the Flying Squad, uses unorthodox methods to pursue criminals with the help of his partner, George Carter.

The Mod Squad was the enormously successful groundbreaking "hippie" undercover cop show that ran on ABC from September 24, 1968, until August 23, 1973. It starred Michael Cole as Pete Cochren, Peggy Lipton as Julie Barnes, Clarence Williams III as Linc Hayes, and Tige Andrews as Captain Adam Greer. The executive producers of the series were Aaron Spelling and Danny Thomas. The iconic counter-culture police series earned six Emmy nominations, four Golden Globe nominations plus one win for Peggy Lipton, one Directors Guild of America award, and four Logies. In 1997 the episode "Mother of Sorrow" was ranked #95 on TV Guide's 100 Greatest Episodes of All Time.

The exploits of the Los Angeles–based Office of Special Projects (OSP), an elite division of the Naval Criminal Investigative Service that specializes in undercover assignments.

Adam-12 is a television police drama that followed two police officers of the Los Angeles Police Department, Pete Malloy and Jim Reed, as they patrolled the streets of Los Angeles in their patrol unit, 1-Adam-12.

Sergeant Thomas Jefferson Hooker is a tough-as-nails veteran police officer with the LCPD who turns his back on a gold badge and goes back to patrolling the streets and training recruits. Along with his young partners in blue, Hooker take on Lake City's toughest criminals.

Cranky but likable L.A. PI Jim Rockford pulls no punches (but takes plenty of them). An ex-con sent to the slammer for a crime he didn't commit, Rockford takes on cases others don't want, aided by his tough old man, his lawyer girlfriend and some shady associates from his past.

The hard-boiled saga of hair-trigger cop Lieutenant Mike Torello and his obsessive pursuit of ruthless gangster Ray Luca.

Streetwise Detective David Starsky partners up with a more intellectual partner, Kenneth 'Hutch' Hutchinson, to protect citizens and patrol the streets of Bay City.