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.

Last Updated: 1/27/2023Network:CBS
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Season 7
star
8.48
101 votes

#1 - Season 7

First Aired 9/23/2009

Season 5
star
8.43
112 votes

#2 - Season 5

First Aired 9/26/2007

Season 3
star
8.41
128 votes

#3 - Season 3

First Aired 9/21/2005

Season 6
star
8.41
106 votes

#4 - Season 6

First Aired 9/24/2008

Season 13
star
8.39
92 votes

#5 - Season 13

First Aired 9/23/2015

Season 10
star
8.37
81 votes

#6 - Season 10

First Aired 9/26/2012

Season 16
star
8.36
59 votes

#7 - Season 16

First Aired 9/26/2018

Season 8
star
8.32
97 votes

#8 - Season 8

First Aired 9/22/2010

Season 2
star
8.31
140 votes

#9 - Season 2

First Aired 9/29/2004

Season 4
star
8.29
112 votes

#10 - Season 4

First Aired 9/20/2006

Season 1
star
8.27
173 votes

#11 - Season 1

First Aired 9/24/2003

Season 11
star
8.26
82 votes

#12 - Season 11

First Aired 9/25/2013

Season 9
star
8.25
91 votes

#13 - Season 9

First Aired 9/21/2011

Season 15
star
8.13
64 votes

#14 - Season 15

First Aired 9/27/2017

Season 12
star
8.11
88 votes

#15 - Season 12

First Aired 9/24/2014

Season 14
star
8.09
78 votes

#16 - Season 14

First Aired 9/21/2016

Season 19
star
7.90
31 votes

#17 - Season 19

First Aired 9/21/2021

Season 17
star
7.87
46 votes

#18 - Season 17

First Aired 9/25/2019

Season 18
star
7.77
43 votes

#19 - Season 18

First Aired 11/18/2020

Season 20
star
7.00
3 votes

#20 - Season 20

First Aired 9/20/2022