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.
#1 - Season 5
First Aired 9/26/2007
#2 - Season 3
First Aired 9/21/2005
#3 - Season 6
First Aired 9/24/2008
#4 - Season 8
First Aired 9/22/2010
#5 - Season 7
First Aired 9/23/2009
#6 - Season 13
First Aired 9/23/2015
#7 - Season 4
First Aired 9/20/2006
#8 - Season 9
First Aired 9/21/2011
#9 - Season 19
First Aired 9/21/2021
#10 - Season 1
First Aired 9/24/2003
#11 - Season 22
First Aired 10/15/2024
#12 - Season 2
First Aired 9/29/2004
#13 - Season 10
First Aired 9/26/2012
Despite a bomb attack on Gibbs and the team, duty continues to call for these special agents as they try to regroup and put the pieces back together.
#14 - Season 23
First Aired 10/15/2025
#15 - Season 11
First Aired 9/25/2013
When Season 10 ended in the series' biggest cliffhanger, the NCIS was virtually disbanded and Gibbs was aiming a rifle at the FBI agent responsible.
#16 - Season 12
First Aired 9/24/2014
In Season 12, Gibbs and McGee travel to Russia to retrieve a computer expert and get into an ongoing battle with mercenary Sergei Mishnev.
#17 - Season 20
First Aired 9/20/2022
#18 - Season 21
First Aired 2/13/2024
#19 - Season 16
First Aired 9/26/2018
#20 - Season 14
First Aired 9/21/2016
Following the unexpected departure of a key member, the NCIS team regroups and recruits several new faces, including a former MI6 operative.
#21 - Season 15
First Aired 9/27/2017
#22 - Season 17
First Aired 9/25/2019
