NCIS - Season 20 - Eps 10: Too Many Cooks (I)
NCIS agents from Washington, D.C., Los Angeles and Hawai’i, all in D.C. to attend the retirement party of a beloved Federal Law Enforcement Training Center (FLETC) professor, find themselves jointly investigating his shocking suicide. The crossover continues on NCIS: Hawai'i S02E10 Deep Fake (II) and NCIS: Los Angeles S14E10 A Long Time Coming (III).
About NCIS

Title: NCIS
First Air Date: 2003-09-23
Last Air Date: 2025-05-05
Status: Returning Series
Rating: 7.623/10 (from 2385 votes)
Language: EN
Seasons: 24
Total Episodes: 488
Network: CBS
Genres: Crime, Drama, Action & Adventure
Production Companies: Paramount Television, Belisarius Productions, CBS Studios
Synopsis
From murder and espionage to terrorism and stolen submarines, a team of special agents investigates any crime that has a shred of evidence connected to Navy and Marine Corps personnel, regardless of rank or position.