The BEST seasons of NCIS
Every season of NCIS ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of NCIS!
Explore the inner workings of the government agency that investigates all crimes involving Navy and Marine Corps personnel, regardless of rank or position. Leading this team is NCIS Special Agent Leroy Jethro Gibbs, a skilled investigator and interrogator who is smart, tough and willing to bend the rules to get the job done.
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![Season 3](https://cdn.episode.ninja/file/episodeninja/season/3515.jpg)
8.45
141 votes
#1 - Season 3
First Aired 9/21/2005
![Season 5](https://cdn.episode.ninja/file/episodeninja/season/28493.jpg)
8.40
129 votes
#2 - Season 5
First Aired 9/26/2007
![Season 7](https://cdn.episode.ninja/file/episodeninja/season/82841.jpg)
8.39
114 votes
#3 - Season 7
First Aired 9/23/2009
![Season 2](https://cdn.episode.ninja/file/episodeninja/season/3514.jpg)
8.38
162 votes
#4 - Season 2
First Aired 9/29/2004
![Season 13](https://cdn.episode.ninja/file/episodeninja/season/625577.jpg)
8.38
106 votes
#5 - Season 13
First Aired 9/23/2015
![Season 1](https://cdn.episode.ninja/file/episodeninja/season/3513.jpg)
8.37
196 votes
#6 - Season 1
First Aired 9/24/2003
![Season 6](https://cdn.episode.ninja/file/episodeninja/season/34571.jpg)
8.35
121 votes
#7 - Season 6
First Aired 9/24/2008
![Season 10](https://cdn.episode.ninja/file/episodeninja/season/496191.jpg)
8.34
97 votes
#8 - Season 10
First Aired 9/26/2012
![Season 16](https://cdn.episode.ninja/file/episodeninja/season/771236.jpg)
8.31
74 votes
#9 - Season 16
First Aired 9/26/2018
![Season 8](https://cdn.episode.ninja/file/episodeninja/season/275641.jpg)
8.30
112 votes
#10 - Season 8
First Aired 9/22/2010
![Season 4](https://cdn.episode.ninja/file/episodeninja/season/16341.jpg)
8.27
126 votes
#11 - Season 4
First Aired 9/20/2006
![Season 9](https://cdn.episode.ninja/file/episodeninja/season/465175.jpg)
8.22
104 votes
#12 - Season 9
First Aired 9/21/2011
![Season 11](https://cdn.episode.ninja/file/episodeninja/season/523530.jpg)
8.22
97 votes
#13 - Season 11
First Aired 9/25/2013
![Season 12](https://cdn.episode.ninja/file/episodeninja/season/589318.jpg)
8.14
102 votes
#14 - Season 12
First Aired 9/24/2014
![Season 15](https://cdn.episode.ninja/file/episodeninja/season/711709.jpg)
8.09
77 votes
#15 - Season 15
First Aired 9/27/2017
![Season 14](https://cdn.episode.ninja/file/episodeninja/season/671545.jpg)
8.04
91 votes
#16 - Season 14
First Aired 9/21/2016
![Season 19](https://cdn.episode.ninja/file/episodeninja/season/1920116.jpg)
7.83
47 votes
#17 - Season 19
First Aired 9/21/2021
![Season 17](https://cdn.episode.ninja/file/episodeninja/season/814690.jpg)
7.78
59 votes
#18 - Season 17
First Aired 9/25/2019
![Season 18](https://cdn.episode.ninja/file/episodeninja/season/1873630.jpg)
7.70
53 votes
#19 - Season 18
First Aired 11/18/2020
![Season 20](https://cdn.episode.ninja/file/episodeninja/season/2002067.jpg)
7.30
30 votes
#20 - Season 20
First Aired 9/20/2022
6.87
15 votes