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.
8.43
138 votes
#1 - Season 5
First Aired 9/26/2007
8.40
122 votes
#2 - Season 7
First Aired 9/23/2009
8.40
153 votes
#3 - Season 3
First Aired 9/21/2005
8.37
119 votes
#4 - Season 8
First Aired 9/22/2010
8.35
110 votes
#5 - Season 13
First Aired 9/23/2015
8.33
129 votes
#6 - Season 6
First Aired 9/24/2008
8.33
208 votes
#7 - Season 1
First Aired 9/24/2003
8.32
104 votes
#8 - Season 10
First Aired 9/26/2012
8.31
78 votes
#9 - Season 16
First Aired 9/26/2018
8.30
175 votes
#10 - Season 2
First Aired 9/29/2004
8.23
136 votes
#11 - Season 4
First Aired 9/20/2006
8.22
108 votes
#12 - Season 9
First Aired 9/21/2011
8.19
101 votes
#13 - Season 11
First Aired 9/25/2013
8.11
106 votes
#14 - Season 12
First Aired 9/24/2014
8.07
82 votes
#15 - Season 15
First Aired 9/27/2017
8.02
96 votes
#16 - Season 14
First Aired 9/21/2016
7.95
66 votes
#17 - Season 17
First Aired 9/25/2019
7.87
53 votes
#18 - Season 19
First Aired 9/21/2021
7.70
61 votes
#19 - Season 18
First Aired 11/18/2020
7.47
40 votes
#20 - Season 20
First Aired 9/20/2022
7.30
43 votes
#21 - Season 21
First Aired 2/13/2024
7.00
5 votes