Best Investigation TV Shows

2026 • Rating 10.0 • crime, mystery, drama

A fiercely competitive police officer and an idealistic prosecutor, former high school classmates, reunite while investigating a nationwide serial murder case, pulling them into both a dangerous pursuit and an unresolved personal past.

Genre: Crime, Mystery, Drama

Style: Cerebral, Dark, Gritty, Suspenseful

Audience: Adult, Date Night

Plot: Detective, Investigation, Police, Serial Killer, Buddy Cop, Police Procedural, Crime Thriller, A Fiercely Competitive Police Officer And An Idealistic Prosecutor, Former High School Classmates, Reunite While Investigating A Nationwide Serial Murder Case

Time: Year 2026, 2020S, 2026-04-20

Place: South Korea, Korean

Cast: Park Hae-soo, Lee Hee-jun, Kwak Sun-young, Seo Ji-hye, Jung Moon-sung, Bek Hyun-jin

2018 • Rating 7.9 • crime, action & adventure, drama

The New York office of the FBI brings to bear all their talents, intellect and technical expertise on major cases in order to keep their city and the country safe.

Genre: Crime, Action & Adventure, Drama

Style: Cerebral, Gritty, Suspenseful

Audience: Adult, Date Night, Teens

Plot: New York City, Fbi, Investigation, Gunfight, Foot Chase, Criminal Investigation, Gun Shooting, Special Agent, Police Procedural, Fbi Agent

Time: Year 2018, 2010S, 2018-09-25

Place: United States Of America, English, New York

Cast: Missy Peregrym, Zeeko Zaki, John Boyd, Jeremy Sisto, Alana de la Garza, Juliana Aidén Martinez

2003 • Rating 7.8 • crime, drama, mystery

The Philadelphia homicide squad's lone female detective finds her calling when she is assigned cases that have never been solved. Detective Lilly Rush combines her natural instincts with the updated technology available today to bring about justice for all the victims she can.

Genre: Crime, Drama, Mystery

Style: Cerebral, Dark, Gritty, Suspenseful

Audience: Adult, Date Night, Teens

Plot: Philadelphia, Pennsylvania, Detective, Victim, Investigation, Police, Police Detective, Female Detective, Murder Investigation, Homicide Detective, Cold Case

Time: Year 2003, 2000S, 2003-09-28

Place: United States Of America, English

Cast: Kathryn Morris, Danny Pino, Jeremy Ratchford, Thom Barry, Tracie Thoms, John Finn

2013 • Rating 7.6 • drama, crime, mystery

Raymond "Red" Reddington, one of the FBI's most wanted fugitives, surrenders in person at FBI Headquarters in Washington, D.C. He claims that he and the FBI have the same interests: bringing down dangerous criminals and terrorists. In the last two decades, he's made a list of criminals and terrorists that matter the most but the FBI cannot find because it does not know they exist. Reddington calls this "The Blacklist". Reddington will co-operate, but insists that he will speak only to Elizabeth Keen, a rookie FBI profiler.

Genre: Drama, Crime, Mystery

Style: Cerebral, Gritty, Psychological, Suspenseful

Audience: Adult, Date Night, Teens

Plot: Fbi, Investigation, Terrorism, Criminal Mastermind, Crime Lord, Hidden Identity, Criminal Consultant, Raymond, Red, Reddington

Time: Year 2013, 2010S, 2013-09-23

Place: United States Of America, English

Cast: James Spader, Diego Klattenhoff, Hisham Tawfiq, Anya Banerjee, Harry Lennix

2024 • Rating 6.6 • crime, drama

In the heart of London, an anonymous phone call draws two brilliant detectives—a young woman in the early stages of her career and a well-connected man determined to protect his legacy—into a fight to correct an old miscarriage of justice.

Genre: Crime, Drama

Style: Cerebral, Gritty, Suspenseful

Audience: Adult, Date Night

Plot: Detective, Investigation, Aggressive, Cold Case, Thriller, In The Heart Of London, An Anonymous Phone Call Draws Two Brilliant Detectives, A Young Woman In The Early Stages Of Her Career And A Well-Connected Man Determined To Protect His Legacy, Into A Fight To Correct An Old Miscarriage Of Justice

Time: Year 2024, 2020S, 2024-01-10

Place: United Kingdom, English, London

Cast: Peter Capaldi, Cush Jumbo, Zoë Wanamaker, Cathy Tyson, Stephen Campbell Moore