NCIS: Los Angeles Episode Ratings Heatmap
2009 · 14 Seasons · 323 Episodes · Overall Score: 7.2/10 (323 rated)
Season 5 holds the highest collective average score across the series.
Season 5 Details →Lowest score variance (σ = 0.41), maintaining an average of 6.1.
Complete Episode Rating Matrix
Interactive score chart by season and episode number. Darker green indicates higher ratings; amber and red denote lower reception.
Ratings Analysis & Trajectory
Across 14 seasons and 323 episodes, NCIS: Los Angeles has earned an overall series rating of 7.2 out of 10. The series reached its critical peak early, showing a slight contraction in audience satisfaction in later chapters.
The single highest-rated hour of television in the series is Season 7, Episode 19 ("The Seventh Child"), rated at an extraordinary 8.8/10 with 4 ratings. Conversely, the lowest-rated installment is Season 13, Episode 15 ("Perception"), landing at 4.0/10.
The most precipitous single-episode shift occurred in Season 13 between Episode 14 ("Pandora's Box", 7) and Episode 15 ("Perception", 4), a swing of 3 points.
Top 10 Highest Rated Episodes of NCIS: Los Angeles
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 7, Ep 19 | The Seventh Child | 8.8 | 4 | Mar 21, 2016 |
| #2 | Season 8, Ep 24 | Unleashed (2) | 8.7 | 3 | May 14, 2017 |
| #3 | Season 10, Ep 1 | To Live and Die in Mexico | 8.7 | 3 | Sep 30, 2018 |
| #4 | Season 11, Ep 10 | Mother | 8.7 | 3 | Dec 1, 2019 |
| #5 | Season 11, Ep 15 | The Circle | 8.7 | 3 | Feb 23, 2020 |
| #6 | Season 12, Ep 11 | Russia, Russia, Russia | 8.7 | 3 | Feb 21, 2021 |
| #7 | Season 13, Ep 22 | Come Together | 8.7 | 3 | May 22, 2022 |
| #8 | Season 1, Ep 21 | Found | 8.6 | 7 | May 4, 2010 |
| #9 | Season 1, Ep 23 | Burned | 8.5 | 6 | May 18, 2010 |
| #10 | Season 1, Ep 24 | Callen, G | 8.5 | 6 | May 25, 2010 |