Harmon and Weatherly Reunite in NCIS: Origins Episode 3

Key points

• The reunion airs on October 20, 2026, in the episode titled 'Return of the Mack'.
• Gibbs seeks DiNozzo's help to access a buried profile in the NCIS database.
• Michael Weatherly appears only in this single episode of Season 3.
• The NCIS: Origins Season 3 premiere drew 4.39 million viewers, a 20% increase from last year.
• Ziva is mentioned in the episode, acknowledging her importance to both characters.

Background

Our archive from October 13-14 noted the announcement of this reunion, highlighting the decade-long hiatus between the characters since Weatherly's exit from the main NCIS series in Season 13. Harmon has been appearing in a present-day storyline for Origins Season 3, while Weatherly returned to the main NCIS series for its Season 24 premiere on October 6.

How outlets are covering it

Deadline and Variety both emphasize the significance of the reunion after a ten-year gap, noting that Harmon and Weatherly shared the screen for 13 seasons on the original NCIS. TV Insider focuses on fan expectations, suggesting the episode should include callbacks to their early days and confirm they have been in contact. Deadline's interview with showrunner David J. North clarifies that while there is no head-slapping, the dynamic has shifted due to DiNozzo's new role as director. Variety highlights the strong ratings for the Origins premiere, which was the number one broadcast show in its slot.

Why it matters

This reunion is a major event for the NCIS franchise, bridging the gap between the prequel Origins and the main series. It signals a continued connection between the two shows and provides a pivotal plot point for Gibbs' season-long arc in Origins, while also boosting the profile of the main NCIS series with a high-profile crossover.

What to watch

Fans should watch the October 20 episode to see how Gibbs and DiNozzo interact. The showrunner has teased more surprises for the season, including a shocking secret in the finale regarding the Gibbs/Lala mystery. Weatherly is not expected to return for further episodes this season, but the door may be open for future crossovers.