Mark Harmon and Michael Weatherly reunite in NCIS: Origins Season 3
Harmon and Weatherly will appear together in the third episode of season 3 of NCIS: Origins, titled "Return of the Mack," airing October 20, 2026 on CBS at 10 p.m. ET.
Key points
- Harmon returns as Leroy Jethro Gibbs in the episode
- Weatherly reprises his role as Anthony D. "Tony" DiNozzo Jr.
- The episode is the third of season 3
- Harmon serves as series narrator and executive producer
Mark Harmon and Michael Weatherly will appear together in the third episode of season 3 of NCIS: Origins, titled "Return of the Mack," which is scheduled to air on October 20, 2026, on CBS at 10 p.m. ET.
In the episode, Harmon returns to portray Leroy Jethro Gibbs, while Weatherly reprises his role as Anthony D. “Tony” DiNozzo Jr.
Harmon also serves as the series narrator and is credited as an executive producer of NCIS: Origins.
Your questions, answered
When will the episode "Return of the Mack" air?
It will air on October 20, 2026 on CBS at 10 p.m. ET.
What roles do Mark Harmon and Michael Weatherly play in the episode?
Harmon plays Leroy Jethro Gibbs and Weatherly plays Anthony D. "Tony" DiNozzo Jr.
How does this story make you feel?
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