Final Episode Overview and Broadcast Details
The NCIS: Los Angeles season 9 finale, titled "Reckoning," aired on May 14, 2018, on CBS, concluding the 2017-2018 television season. The episode was written by R. Scott Gemmill and directed by James Hanlon, wrapping up the season's primary arc involving the OSP team's operations against international threats. The broadcast drew a total of 6.62 million viewers, according to initial live-plus-same-day ratings reported by Nielsen, a standard metric for U.S. television audience measurement. The 1-hour finale maintained a 1.1 rating in the adults 18-49 demographic, placing it among the higher-rated scripted broadcasts on network television that week. For additional context on CBS's broadcast performance during that period, see the network's historical ratings data on Forbes.
In the episode, the team faced a critical mission involving a high-value target linked to a broader conspiracy, culminating in a tense standoff and significant character decisions. The finale set up narrative threads for the subsequent season, a common structure in the procedural drama format. The production was handled by CBS Television Studios and Shane Brennan Productions, with the series continuing its run as one of the network's flagship dramas. The episode's runtime was 43 minutes for the broadcast version, excluding commercials, which is standard for hour-long dramas on American broadcast television.
Ratings Performance and Audience Metrics
The finale's 6.62 million total viewers represented a slight decrease from the season premiere but remained within the typical range for the series during its ninth season. The adults 18-49 demographic rating of 1.1 was consistent with the show's performance in the second half of the season. In the competitive Sunday night lineup, the episode outperformed several scripted offerings on competing networks, reinforcing CBS's dominance in the 10 p.m. hour for dramas during that period. Detailed historical ratings for the series are available through TV by the Numbers.
When compared to other CBS dramas, the finale placed the series in the middle tier of the network's lineup for the week, behind shows like "The Mentalist" finale but ahead of several other scripted programs. The live-plus-same-day rating is the primary metric used by advertisers and networks for upfront sales, though delayed viewing data was not fully available at the time of initial reporting. The show's consistent performance in this demographic was a key factor in its renewal decisions by CBS executives during that era.
Plot Summary and Character Developments
The finale's storyline centered on the team's pursuit of a dangerous operative, leading to high-stakes action sequences and critical revelations about the season's overarching mystery. Key character arcs reached pivotal moments, with decisions made by the team having long-term implications for the series. The episode featured the return of several recurring characters and set the stage for new alliances and conflicts in the following season. The narrative structure followed the show's established formula of combining self-contained procedural elements with serialized storytelling.
Production for the season finale took place in and around Los Angeles, California, with filming locations including the studio lot and various city exteriors used to represent the team's operational environment. The episode's visual effects were managed by the show's regular post-production team, with a focus on practical stunts and controlled explosions to maintain the series' grounded action style. The season's conclusion left several plot threads open, a deliberate choice to maintain viewer engagement heading into the next season's premiere. For more information on the show's production history, see the