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In the crime thriller series NCIS, a team of US Navy crime scene investigators uses their technical skills to identify and track down criminals. The teams is led by a no-nonsense-tough-guy boss. His crew is made up of lovably quirky characters with improbable skills.

This series follows the well established formula of the modern crime-procedural drama, in which a team of investigative professionals works together to solve murders based on evidence left behind at the crime scene. Each team member has unique skills, and all their skills mesh to get the job. The drama of the series revolves around both the crime and the interaction of the team members.

While far from realistic, the series has been compelling enough to draw huge audiences and spawn numerous spinoffs. This version is the original. It began airing in 2003 and had run for 17 seasons as of 2020. An eighteenth season is planned for 2021. The series' longevity makes it the second longest running current scripted drama series after Law and Order: Special Victims Unit. The first spin off debuted after the parent series' sixth season. The second spin off debuted after the parent series' eleventh season.

The series' creator, Donald P. Bellisario, left the show as showrunner in 2007 after a publicized clash with star Mark Harmon. Bellisario remained in the credits as executive producer, but a new showrunning team was brought in to appease Harmon.

The series' peak rating were turned in in 2012, but it remains popular.

NCIS is a series that is currently running and has 18 seasons (407 episodes). The series first aired on September 23, 2003.

Where do I stream NCIS online? NCIS is available for streaming on CBS, both individual episodes and full seasons. You can also watch NCIS on demand at Apple TV+, Amazon Prime, Netflix, Amazon, Hulu, NBC, Vudu, USA, FuboTV, Microsoft Movies & TV, Sling, Google Play, iTunes, CBS online.

Tuesday 8:00 PM et/pt on CBS
18 Seasons, 407 Episodes
September 23, 2003
Action & Adventure, Drama
7.7/10
Cast: Mark Harmon, Michael Weatherly, Pauley Perrette, David McCallum, Sasha Alexander
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NCIS Full Episode Guide

  • NCIS investigates the murder of a Navy officer who was killed while driving home a recently released inmate. Also, Gibbs helps Palmer deal with a personal trauma.

  • Following a tip about smuggled weapons, Bishop and Torres engage in a shootout in a former sheriff's residence that's now a historical site, only to find themselves locked in abandoned jail cells there.

  • Gibbs and Fornell's crusade to find the head of the drug ring responsible for Fornell's daughter Emily's overdose comes to a climax. Also, Gibbs and Vance finally let the team in on a case that has dangerous implications.

  • McGee and his wife Delilah's (Margo Harshman) Bahamian vacation turns into a high-stakes mission when a case NCIS is tracking of a dead escape room manager has ties to the island. Also, Gibbs fears the worst when his search for Fornell leads to blood.

  • The discovery of two dead bodies in a forest leads the NCIS team into the wild world of modern-day treasure hunting. Also, Gibbs and Fornell get deeper into their search for the opioid kingpin.

  • Flashbacks reveal the murder case that first introduced young Gibbs to NCIS and his introduction to young, new-to-America Ducky.

  • Gibbs and Fornell attempt to track down the leader of a drug ring who supplied drugs to Fornell's daughter. Also, the team deals with the case of a missing cadaver from the NCIS autopsy room.

  • The team tries to verify the identity of Joe Smith, who claims he served on the U.S.S. Arizona during the attack on Pearl Harbor, and wants to be buried there upon his death.

  • When Kasie and Jimmy are held hostage in a diner after a jewelry store robbery goes awry, they attempt to keep the other customers safe from the thieves.

  • The team searches for answers when the body of a well-regarded Navy technician in the Reserves is found floating in a lake where a popular community event is being held. Also, Sloane is caught off-guard when her daughter, Faith, makes an unexpected request.

  • As the NCIS team investigates the death of a Navy officer murdered the same way as his parents a decade ago, they stumble across a storage container filled with dollhouses that display recreations of murder scenes. Also, the team agrees to clean out their living spaces, but some have a harder time saying goodbye to their possessions than others.

  • While investigating the suicide of a retired Navy officer who left a rare, valuable

  • The lead suspect in an NCIS murder investigation is a woman Gibbs' friend, Phillip Brooks, met on a dating site. Also, Sloane has a secret admirer on Valentine's Day.

  • After Torres and Bishop are victims of a hit-and-run, Torres fights for his life in the ICU.

  • After a body is found at an unmanned aerial vehicle testing site, the NCIS team must determine if the death was murder or an accident. Also, Palmer carefully interviews medical examiner assistant candidates.

  • The NCIS team investigates an F-18 crash and the subsequent disappearance of the pilot who operated the aircraft. Also, McGee reluctantly discusses a very personal decision with his teammates.

  • Gibbs must face the reality of his actions after he assists Ziva with "the one thing" she said she would need to take care of before returning to her family.

  • Gibbs and the team assist Ziva with "the one thing" she said she would need to take care of before returning to her family.

  • The NCIS team investigates a petty officer's murder that was live-streamed on a popular gaming app. Also, Gibbs watches his 11-year-old neighbor, Phineas, when his mom must leave on a last-minute trip.

  • The NCIS team investigates the murder of a musician in the Navy's most elite band that performs at diplomatic events around the world.

  • While investigating a Marine's murder, the NCIS team uncovers a labyrinth of live-streaming spy cameras hidden in the rooms of a Virginia motel.

  • After a petty officer's son is found murdered at his "welcome home from prison" party, evidence suggests Kasie's lifelong best friend, Dante Brown, is the suspect.

  • The NCIS team links a bizarre crime scene at Arlington National Cemetery to a string of attacks on homeless veterans. Also, Vance orders McGee, Bishop and Torres to complete hours of evidence garage cleanup duty for withholding information.

  • After the body of a Marine Lieutenant is found hidden under an 18-wheeler, the NCIS team tracks the vehicle's previous locations to pinpoint the crime scene and suspect. Also, Sloane encourages the team to sit down and talk about Ziva's recent reappearance.

  • With their lives in danger, Gibbs and Ziva's rogue investigation takes an unexpected turn when a possible terrorist plot is revealed.

  • Ziva surprises Gibbs with a cryptic warning, prompting him to question why she remained underground for years while being presumed dead by family and friends, and what led to her return.

NCIS News

CBS Renews 'NCIS' for 17th Season

But will Mark Harmon be back?

Was Pauley Perrette Assaulted on 'NCIS' Set?

The fan-favorite actress made some shocking accusations over the weekend.

'NCIS' Gets Sued Over a Farting Hippo Puppet

You can't make this stuff up.

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NCIS Video Clips & Extras

The First Day Clip (00:22) NCIS Trailer (00:21) Head Of The Snake Clip (00:22) Blood And Treasure Clip (00:22) Everything Starts Somewhere Clip (00:21) Sturgeon Season Clip (01:01) The Arizona Clip (00:23) Blarney Clip (00:30)