Crossover Episodes
List of crossover episodes from various shows, also including some backdoor pilot episodes and even special crossover movies.
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- DirectorTony WharmbyStarsMark HarmonMichael WeatherlyCote de PabloGibbs and company start looking into the murder of a Marine. Gibbs and McGee go to Los Angeles for a joint gig with the NCIS Office of Special Projects in LA due to a suspected link. The investigation continues on both coasts. [Continued.]Part 1 of the Backdoor Pilot for NCIS: Los Angeles.
It introduced the characters, G. Callen, Sam Hanna, Kensi Blye, Eric Beale and Nate Getz. - DirectorJames Whitmore Jr.StarsMark HarmonMichael WeatherlyCote de PabloGibbs and McGee continue with the OSP in LA. Rifkin shows up and interferes with the NCIS investigation. Two sleepers in a terrorist cell die, but OSP agents swarm a shop and grab others. Gibbs intercepts Rifkin and tells him to go home.Part 2 of the Backdoor Pilot for NCIS: Los Angeles.
- DirectorDonald P. BellisarioStarsDavid James ElliottCatherine BellPatrick LabyorteauxA Boy Scout finds the decomposing body of Lt. Loren Singer in a tree. The NCIS investigates, and Harm becomes the prime suspect. The NCIS finds not only surprises about the death but also circumstantial evidence pointing straight to Harm.Part 1 of the Backdoor Pilot for NCIS.
It introduced the characters, Leroy Jethro Gibbs, Tony DiNozzo, Abby Sciuto, Ducky Mallard and Tom Morrow. - DirectorScott BrazilStarsDavid James ElliottCatherine BellPatrick LabyorteauxNCIS Agent Gibbs continues his investigation on the terrorist, Amad Bin Atwa to avert another attack on a Navy ship. Harm is court-martialed for the murder of Lt. Singer.Part 2 of the Backdoor Pilot for NCIS.
- 2005– 1hTV-146.9 (1.6K)TV EpisodeDirectorMichael GrossmanStarsEllen PompeoSandra OhKatherine HeiglAddison heads for warmer climate to figure things out, Meredith's stepmother visits the clinic, Cristina's perfect wedding is challenged when she and Burke's mothers visit, and Izzie tries to talk to George.Part 1 of the Backdoor Pilot for Private Practice.
It introduced the characters, Naomi Bennett, Sam Bennett, Violet Turner, Cooper Freedman, Pete Wilder and Dell Parker. - 2005– 1hTV-147.2 (1.5K)TV EpisodeDirectorMichael GrossmanStarsEllen PompeoSandra OhKatherine HeiglAddison is pulled into the case of a high-risk surrogate mother, Meredith's stepmother develops a complication, Izzie struggles with George's decision, and Ava has surgery which may restore her memory.Part 2 of the Backdoor Pilot for Private Practice.
- DirectorMark TinkerStarsEllen PompeoSandra OhKatherine HeiglAddison is not prepared for all the changes that greet her upon her return to Seattle Grace for a specialized surgery, Meredith and Derek begin their clinical trial, Izzie feels left out, and Karev is confronted with an unexpected announcement.Addison Forbes Montgomery makes a special guest appearance.
This episode was to help give Addison an opportunity to come back to Grey’s Anatomy as at the time, Private Practice was in fear of being cancelled. - DirectorJulie Anne RobinsonStarsEllen PompeoSandra OhKatherine HeiglCristina carries on an intense flirtation with Owen, Derek gets advice from everyone on how to propose, Izzie gets some tests done, and Bailey's promotion may stand in the way of a new career possibility.
- DirectorSteve GomerStarsKate WalshTim DalyAudra McDonaldWhen Archer suffers a seizure, Addison and Naomi, search for a cause and a cure. In their quest they call Derek Shepherd for help. Meanwhile, Violet tells about the pregnancy to Sheldon and Pete, while Cooper is left to take care of a seven year-old abandoned patient.
- DirectorDaniel AttiasStarsEllen PompeoSandra OhKatherine HeiglOwen runs into someone very special from his past. Izzie employs her fellow doctors in a medical game made to help teach the interns. Naomi, Sam and Addison rush Archer to Seattle Grace and meet with Derek and Mark to save his life.
- DirectorMark TinkerStarsKate WalshTim DalyAudra McDonaldAfter suffering a severe asthma attack at Seattle Grace, Sam is treated by Naomi and Bailey who try to determine the cause. Meanwhile Addison assists Derek in a case involving a pregnant woman.
- DirectorRandy ZiskStarsEllen PompeoSandra OhKatherine HeiglAddison and Derek differ on the treatment plan for their patient, Cristina discovers malpractice in high places, Izzie gets bad news, and Mark spectacularly mistimes his confession.
- DirectorTony PhelanStarsEllen PompeoSandra OhKatherine HeiglAs Mercy West merges with Seattle Grace, battle lines are drawn between the two hospital's residents over the patients.Part 1 of an unofficial crossover between Grey’s Anatomy and Private Practice.
Although this isn’t officially considered as a crossover this episode still plays a part that continues a patient’s story onto Private Practice. - DirectorRob CornStarsKate WalshTim DalyAudra McDonaldDr. Miranda Bailey shows up in California with a pair of patients in tow; a donor and her recipient sister, a young lady who needs a kidney transplant within 72 hours in order to survive. Addison gets blind-sided by Noah's wife and Pete gets blind-sided by Violet when she agrees to grant Sheldon a paternity test.Part 2 of an unofficial crossover between Grey’s Anatomy and Private Practice.
Miranda Bailey makes a special guest appearance. - DirectorBryan SpicerStarsAlex O'LoughlinScott CaanDaniel Dae KimDanny and Chin Ho partner with NCIS agents Sam Hanna and G. Callen to track down a suspect who's infecting people with a deadly virus.Part 1 of a special crossover event between Hawaii Five-0 and NCIS: Los Angeles.
- DirectorTony WharmbyStarsChris O'DonnellDaniela RuahEric Christian OlsenG and Sam return from an investigation in Honolulu; Danny and Chin, of Hawaii Five-0, accompany them; they seek to intercept a rogue epidemiologist with smallpox virus; the team figure out the case and prevent an unimaginable disaster.Part 2 of a special crossover event between Hawaii Five-0 and NCIS: Los Angeles.
- 2010–202042mTV-148.0 (695)TV EpisodeDirectorLarry TengStarsAlex O'LoughlinScott CaanDaniel Dae KimWhile Five-0 tries to figure out who killed a well-known Honolulu businessman, Joe gets an unwelcome visitor while trying to search for answers about the video.Kensi Blye makes a special guest appearance.
- DirectorNzingha StewartStarsEllen PompeoJustin ChambersChandra WilsonTwo boys injured in a house fire are brought to Grey Sloan and firefighter Andy Herrera's skills are put to the test when one of the boys is near death.The Backdoor Pilot for Station 19.
It introduced the main protagonist, Andy Herrera. - DirectorCecilie A. MosliStarsEllen PompeoJustin ChambersChandra WilsonMeredith turns heads when she shows up to work ready for a blind date later that day; Alex makes a questionable decision to save a patient; the burden of knowing Teddy's secret keeps Maggie up at night.Part 1 of a special crossover event between Grey’s Anatony and Station 19.
- DirectorMilan CheylovStarsJaina Lee OrtizJason GeorgeGrey DamonIt's a life-or-death situation when a young boy falls into water pipes beneath the city; with the clock ticking, the firefighters jump into action to save his life.Part 2 of a special crossover event between Grey’s Anatomy and Station 19.
- DirectorJames Whitmore Jr.StarsMark HarmonMichael WeatherlySean MurrayIn New Orleans, Louisiana, two local special agents of the NCIS, Pride and LaSalle, start to investigate the death of Dan McLane, who was not only a member of the US House of Representatives but also both a retired Naval Reserve commander and a retired agent of the NIS (before the NCIS); Dan had worked with Franks and had served as a mentor to both Pride and Gibbs; King Pride, a former partner of Gibbs, goes to Washington, DC, and spends time with Gibbs. Inter-agency intrigue begins; the FBI seizes control; a joint FBI-NCIS effort proceeds; Fornell joins the hunting party; the Gibbs team start producing results; King and Gibbs use an old-school technique; LaSalle in Nola says that he suddenly feels new respect for the Great Lakes office. An FBI agent in Nola dies in the same way as Dan; King goes back there, and Gibbs and Ellie go with him; Abby provides answers; the bunch in Nola follow the breadcrumbs left for them. [To be continued.]Part 1 of the Backdoor Pilot for NCIS: New Orleans.
- DirectorTony WharmbyStarsMark HarmonMichael WeatherlyPauley PerretteWhile investigating the death of a US congressman, the Gibbs team and the gang in Nola continue to seek both a killer and a connection to an old case. Another man dies. Ducky suggests a theory, and the bunch put all the pieces together.Part 2 of the Backdoor Pilot for NCIS: New Orleans.
- DirectorAlrick RileyStarsMark HarmonPauley PerretteSean MurrayWhen Abby's homeland security think tank is compromised, the team realizes that a theoretical terror playbook has been stolen.Part 1 of a special crossover event between NCIS and NCIS: New Orleans.
- DirectorLeVar BurtonStarsScott BakulaLucas BlackVanessa FerlitoMcGee and Torres come to New Orleans to help Pride and his team search for a missing homeland security theoretical terror playbook.Part 2 of a special crossover event between NCIS and NCIS: New Orleans.
- DirectorChris GrismerStarsNina DobrevPaul WesleyIan SomerhalderKlaus returns to his past in New Orleans and meets with his former protégé, Marcel (CHARLES MICHAEL DAVIS), a charismatic vampire with control over the city's inhabitants.The Backdoor Pilot for The Originals.