Emotional reunion on NCIS: Mark Harmon returns as Gibbs, bringing powerful and heartfelt moments.

NCIS fans have reason to celebrate: Mark Harmon is back as Leroy Jethro Gibbs – appearing fully on screen for the first time since his departure from the series.

In the crossover episode “Funny How Time Slips Away,” viewers find Gibbs (Mark Harmon) living in his remote cabin in Naktok Bay, Alaska. A stray dog becomes his quiet companion – a heartfelt tribute to Gibbs’ well-known love for animals.

In this episode of NCIS: Origins, the team travels to Alaska to investigate a challenging case. Along the way, they uncover clues connected to Gibbs’ past—clues that not only shed light on the current investigation but also reignite old friendships and unresolved conflicts. Gibbs’ return brings valuable experience, instinct, and emotional depth to the team.