Riker

Nikita is a drug-addicted juvenile delinquent who was accused of killing a police officer in cold blood during an attempted robbery of a pharmacy. She is later arrested and sentenced to death by lethal injection, upon which she was secretly drugged by the government, faking her death. Nikita is then "recruited" by a secret government organization and transformed into a highly skilled assassin who cannot be traced.

Gabriel's Fire is an American television series that ran on ABC in the USA in 1990–1991. A revamped version of the series, entitled Pros and Cons, aired briefly the following season.

21 Jump Street revolves around a group of young cops who would use their youthful appearance to go undercover and solve crimes involving teenagers and young adults.

Ex-cop and recovering alcoholic Hank Dolworth partners with his best friend, former criminal Britt Pollack, in an unlicensed private investigation business. The series is set in Ocean Beach, San Diego, California, although it is portrayed as a distinct town, with Dolworth having once been a member of the fictional Ocean Beach Police Department.

Target: The Corruptors! is an American crime drama series starring Stephen McNally which aired on ABC from September 29, 1961 to June 8, 1962. The series was produced by Dick Powell's Four Star Television.

Sydney Bristow, an agent who has been tricked to believe she is working for the U.S. government, is actually working for a criminal organization named the Alliance of Twelve. Upon learning this, Sydney becomes a double agent for the real CIA.

The story of the Miami Police Department's vice squad and its efforts to end drug trafficking and prostitution, centered on the unlikely partnership of Sonny Crockett and Ricardo Tubbs - who first meet when Tubbs is undercover in a drug cartel.

Fastlane is an American action/crime drama series that was broadcast on Fox from September 18, 2002 to April 25, 2003.

Michael Long, an undercover police officer, is shot while investigating a case and left for dead by his assailants. He is rescued by Wilton Knight, a wealthy, dying millionaire and inventor who arranges life-saving surgery, including a new face and a new identity--that of Michael Knight. Michael is then given a special computerized and indestructible car called the Knight Industries Two Thousand (nicknamed KITT), and a mission: apprehend criminals who are beyond the reach of the law. The series depicts Michael's exploits as he and KITT battle the forces of evil on behalf of the Foundation for Law and Government.

A chilling and unflinching look at all sides of a complicated issue, focusing on an African-American Muslim who joins an Islamic sleeper terrorist cell in the United States while working undercover for the FBI.

A disgraced cop in debt is forced to return to his home state of Florida for a shady mission only to get swept up in a wild — and deadly — treasure hunt.

Cassie & Co. is an American drama series broadcast on NBC as a mid-season replacement. 13 episodes were produced, but it was pulled after four episodes in February 1982, with the rest airing in the summer. Angie Dickinson stars as Cassie Holland, a tough, divorced ex-cop who becomes a private detective, taking over a detective agency with her ex-con secretary Meryl (Dori Brenner) and gym instructor Benny (A. Martinez).

O Ha Na is a lowly police officer who lacks a sense of duty and believes that it is worth bending the rules in order to achieve your aims. She meets and begins to investigate Ko Jin Hyeok, an elite intelligence agent, and they clash instantly based on their different morals. Their initial dislike of each other masks their romantic attraction, but this development is hindered by the existence of Choi Eun Seo, Jin Hyeok's first love.

New York Undercover is an American police drama The series stars Detective J.C. Williams and Detective Eddie Torres, two undercover detectives in New York City's Fourth Precinct who were assigned to investigate various crimes and gang-related cases.

The Covert Investigations Unit (CIU) risks going undercover to infiltrate and bring down criminal organizations. In this new style of short-term, high-intensity undercover work, each covert “play” is crafted quickly and executed at an even faster pace. Placed into various worlds of crime without a safety net, the cops are in constant danger, as they repeatedly go off the grid. Wearing wires, coaxing confessions, and setting up stings, the cops of the CIU must think quickly, talk smoothly, and rely on pure instinct. They slip in and out of characters so often that, sometimes, they lose track of who they really are.

Faced with staff shortages, the chief of a Cologne police department convinces two retired homicide detectives to come back into the force. As their immediate superior is a young woman, a generational cultural clash is inevitable.

The Ghost Squad was a 2005 British crime drama series produced by Company Pictures, for Channel 4. The show was created by Tom Grieves. Inspired by the real life "Ghost Squad" that existed between 1994 and 1998, secretly investigating police corruption, the premise of the series is that the squad continued to operate in secret after officially being shut down. It starred Elaine Cassidy as a police constable recruited into the squad and Jonas Armstrong as her handler. The show was cancelled after a single seven episode series.

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.

In a captivating tale of sacrifice and rebirth, a brilliant hacker named Chen Ning dies to save humanity from a rogue AI, only to be reincarnated as the leader of a powerful sect in a realm of immortal cultivation. Chen Ning must maintain a low profile while handling new responsibilities and guarding against spies within his sect and the encroaching AI threat. Hidden beneath his cold exterior is a deep care for others, as he navigates a world of martial arts, mystical powers, and political intrigue. With the mysterious system agent Jiang Que at his side, Chen Ning unleashes his true potential and commands both allies and foes. As hidden truths of this mystical world reveal themselves, Chen Ning races against time, merging his hacking prowess with newfound mystical abilities, to thwart an impending apocalypse and save another world from destruction.

In 1948, Yu Beiping, an important official of the Special Investigation Bureau, was transferred to Qingcheng by his superior and was ordered to investigate the murder case that occurred there. In fact, Yu Beiping's true identity is being investigated and suspected by his superior, and he is in danger all the time. Yu Beiping has to successfully complete the tasks assigned by his superior on one hand, deal with the cunning and insidious enemy on the other hand, and also bear the incomprehension and misunderstanding from his closest relatives. He is in a difficult battle.