Your Guide To 25 Epic NCIS Crossovers

The NCIS family, including NCIS: Los Angeles and NCIS: New Orleans, has a tradition of incredible crossover episodes. Let's take a look back at every one of them in this handy guide.

Get ready for the ultimate NCIS marathon.

1. Get ready for the ultimate NCIS marathon.

The NCIS family, including NCIS: Los Angeles and NCIS: New Orleanshas a tradition of incredible crossover episodes. Bringing the teams together for special missions always multiplies the fast-paced action, the intense drama, and the laughs.

Let's take a look back at every one of the epic NCIS crossover episodes. Whether you've seen them before or are planning your weekend of binge-watching, you don't want to miss these...

Watch NCIS on Tuesdays at 8/7c on CBS and CBS All Access.

Watch NCIS: Los Angeles on Sundays at 8/7c on CBS and CBS All Access.

Watch NCIS: New Orleans on Tuesdays at 10/9c on CBS and CBS All Access.

2. "Legend" and "Legend: Pt. II" – NCIS

In this two-part introduction to NCIS: Los Angeles, Special Agents Leroy Jethro Gibbs and Timothy McGee travel to the Office of Special Projects in L.A. to investigate the death of a marine. Their research leads them to uncover something much more sinister than a lone killer: A terrorist cell has rooted itself in the City of Angels. Watch now.

Watch NCIS on Tuesdays at 8/7c on CBS and CBS All Access.

3. "Identity" – NCIS: Los Angeles

When the LAPD finds itself embroiled in a shootout with drug runners, a Navy officer winds up dead. NCIS Director Leon Vance works closely with the OSP to bring the killers to justice. 

Watch NCIS: Los Angeles on Sundays at 8/7c on CBS and CBS All Access.

4. "Killshot" – NCIS: Los Angeles

When a jet-skiing scientist is killed by a sniper, all signs point to an assassin who's been on Vance's radar for years: Lee Wuan Kai. Determined to catch her before she's able to strike again, Vance asks Forensic Specialist Abby Sciuto to help the OSP with their investigation.

Watch NCIS: Los Angeles on Sundays at 8/7c on CBS and CBS All Access.

5. "Pushback" – NCIS: Los Angeles

Nearly six months after "G" Callen was shot in the line of duty, he finds himself working on a shocking case involving a murdered woman who is found with information about him on a flash drive. With one of his own personally involved in the case, Vance makes another appearance to help the OSP figure out who the woman is and why she is so interested in Callen. 

Watch NCIS: Los Angeles on Sundays at 8/7c on CBS and CBS All Access.

6. "Ambush" – NCIS: Los Angeles

When a Marine Lance Corporal is found murdered, the team seeks Mike Renko's help in the field. Meanwhile, Hetty Lange travels to Washington D.C. for a daunting Senate hearing.

Watch NCIS: Los Angeles on Sundays at 8/7c on CBS and CBS All Access.

7. "Random On Purpose" – NCIS: Los Angeles

After learning that a Naval engineer has been murdered, Abby travels to Los Angeles believing something much larger is at play. Noticing patterns between this case and others, Abby tells the team she believes the murder is the work of a serial killer called the Phantom. 

Watch NCIS: Los Angeles on Sundays at 8/7c on CBS and CBS All Access.

8. "Hunted" – NCIS: Los Angeles

Vance is in L.A. when he gets word that a dangerous prisoner, Ala A Din Keshwar, has escaped. Worried, he enlists the Los Angeles team's help in hunting Keshwar down. Meanwhile, Hetty grapples with the idea of resigning, prompting Vance to offer her job to Callen. 

Watch NCIS: Los Angeles on Sundays at 8/7c on CBS and CBS All Access.

9. "Callen, G." – NCIS: Los Angeles

Trent Kort, a longtime acquaintance of Gibbs, makes his way to L.A. and drums up past memories with Callen. As if he doesn't have enough on his plate at work, Callen also tries to find the time to track down the one woman who knows his real identity. 

Watch NCIS: Los Angeles on Sundays at 8/7c on CBS and CBS All Access.

10. "Familia" – NCIS: Los Angeles

Vance returns to L.A. after Hetty's unexpected resignation. Confused and angry, the team confronts Vance to learn why she'd suddenly disappear.

Watch NCIS: Los Angeles on Sundays at 8/7c on CBS and CBS All Access.

11. "Lange, H." – NCIS: Los Angeles

Sam Hanna and Callen fly to Romania in an attempt to track down Hetty, who was there on her own private mission. Determined to get the Comescu family off of Callen's trail, she tries to convince them he's dead. Meanwhile, Vance wonders whose side Agent Hunter is on, as he too worries about Hetty.

Watch NCIS: Los Angeles on Sundays at 8/7c on CBS and CBS All Access.

12. "Crescent City Pt. I" and "Crescent City: Pt. II" – NCIS

This two-part storyline follows Gibbs and Bishop to New Orleans, where they work alongside NCIS Special Agent Dwayne Cassius Pride to track down the Privilege Killer copycat. Watch now.

Watch NCIS on Tuesdays at 8/7c on CBS and CBS All Access.

13. "Musician Heal Thyself" – NCIS: New Orleans

When a Petty Officer with a special connection to Pride is found dead, Dr. Loretta Wade enlists Dr. Ducky Mallard's expertise to get her closer to the truth about what really happened. NCIS: New Orleans' first episode is filled with intrigue and excitement. Watch now.

Watch NCIS: New Orleans on Tuesdays at 10/9c on CBS and CBS All Access.

14. "Carrier" – NCIS: New Orleans

After a Navy Lieutenant dies from the bubonic plague, Anthony DiNozzo—who has definitely had his fair share of dealing with rare diseases—flies out to New Orleans to help contain the lethal virus. Watch now.

Watch NCIS: New Orleans on Tuesdays at 10/9c on CBS and CBS All Access.

15. "Breaking Brig" – NCIS: New Orleans

When two of D.C.'s prisoners escape custody in New Orleans, Vance and Gibbs work to help Pride clean up their unfortunate mess. Watch now.

Watch NCIS: New Orleans on Tuesdays at 10/9c on CBS and CBS All Access.

16. "Praesidium" – NCIS: Los Angeles

When someone tries to kill Hetty, Vance remains committed to keeping her safe. Never one to sit still, Hetty escapes from her trial and is taken to an empty dinosaur museum. But, instead of getting hurt, she's greeted by Vance who warns her that there may be a mole compromising their operation.

Watch NCIS: Los Angeles on Sundays at 8/7c on CBS and CBS All Access.

17. "It Happened Last Night" – NCIS: New Orleans

Following the murder investigation of a Chief Warrant Officer, the team faces an even bigger challenge: They must find who abducted the officer's wife—and they only have 22 hours. With the stakes so high, FBI Agent Tobias Fornell travels to New Orleans to help. Watch now.

Watch NCIS: New Orleans on Tuesdays at 10/9c on CBS and CBS All Access.

18. "The Walking Dead" – NCIS: New Orleans

After a Navy Lieutenant is poisoned with a lethal dose of radiation, he turns to the NCIS team to help solve his imminent murder. Coast Guard Investigative Service (CGIS) Agent Abigail Borin joins the team to tackle the peculiar case. Watch now.

Watch NCIS: New Orleans on Tuesdays at 10/9c on CBS and CBS All Access.

19. "Rock-A-Bye Baby" – NCIS: New Orleans

After a Navy Lieutenant's car is stolen with his baby inside, everyone is left to wonder if the car robbery was really a planned abduction. CGIS Agent Abigail Borin returns to New Orleans to help the team solve the heart-pounding case. Watch now.

Watch NCIS: New Orleans on Tuesdays at 10/9c on CBS and CBS All Access.

20. "The Abyss" – NCIS: New Orleans

When a Navy Lieutenant's daughter is involved with a brutal double murder, CGIS Agent Abigail Borin does her best to help the investigation. Watch now.

Watch NCIS: New Orleans on Tuesdays at 10/9c on CBS and CBS All Access.

21. "Touched By The Sun" – NCIS: New Orleans

SecNav Sarah Porter makes her way to New Orleans after a female combat pilot and Navy hero dies in an air-show plane crash to figure out if the event was an accident or something much more vicious. Watch now.

Watch NCIS: New Orleans on Tuesdays at 10/9c on CBS and CBS All Access.

22. "Blame It On Rio" – NCIS: Los Angeles

After a prisoner, who was supposed to be delivered into DiNozzo's custody, gets loose, the D.C.-based agent makes his way to L.A. to help clean up the mess. Throughout the search, DiNozzo and Marty Deeks hilariously try to one-up each other.

Watch NCIS: Los Angeles on Sundays at 8/7c on CBS and CBS All Access.

23. "Sister City Pt. I" – NCIS

After passengers and crew on a private plane traveling from New Orleans to Washington D.C. are lethally poisoned, all evidence points to Abby's brother, Luca, the flight's missing chef. The NCIS teams work together to track Abby's sibling down as part of this emotional, two-hour crossover event. Watch now.

Watch NCIS on Tuesdays at 8/7c on CBS and CBS All Access.

24. "Sister City Pt. II" – NCIS: New Orleans

While Pride and the New Orleans team investigate a Russian sleeper agent affiliated with Abby's brother, Sebastian Lund flies to Washington D.C. to help with forensics. On a mission to deliver an urgent package to her NOLA counterpart, Special Agent Ellie Bishop drives south to meet up with Christopher LasalleWatch now.

Watch NCIS: New Orleans on Tuesdays at 10/9c on CBS and CBS All Access.

25. "Pandora's Box, Part I" - NCIS

When Abby's mission with homeland security goes awry, the NCIS team gets input from both Lasalle and Pride on the case. Watch now.

Watch NCIS on Tuesdays at 8/7c on CBS and CBS All Access.

26. "Pandora's Box, Part II" - NCIS: New Orleans

Picking up where the previous episode left off, McGee and Nick Torres travel to New Orleans to help Pride and his team find a missing homeland security terror playbook related to Abby's original mission. Watch now.

Watch NCIS: New Orleans on Tuesdays at 10/9c on CBS and CBS All Access