Ncis - Season 4 [ 2025-2026 ]

Season 4 proved that NCIS was at its best when it let its characters have lives—and secrets—outside of the orange squad room.

No discussion of Season 4 is complete without mentioning the shadow of . This arms dealer became Director Jenny Shepard’s obsession, leading to a long-game undercover mission for Tony that would eventually tear his personal life apart. It was the first time the show committed to a season-long villain arc that truly tested the team’s loyalty to the agency. Must-Watch Episodes for Your Rewatch: "Shalom" (Ep 1): The "all-in" moment for Ziva. NCIS - Season 4

After Gibbs' return, a major subplot involved the friction between him and Ducky. Ducky was deeply hurt that Gibbs hadn't told him about Shannon and Kelly before his "retirement". Their eventually "making up" in the morgue remains one of the show's most poignant moments. Season 4 proved that NCIS was at its

Season 4 traded high-octane explosions for deep-seated emotional stakes: It was the first time the show committed

A finale that leaves Tony and his girlfriend Jeanne captive and several major secrets finally unraveling.