All seasons

15 seasons - 324 episodes

Season 14 2022

21 episodes - Oct 9, 2022

Season 13 2021

22 episodes - Oct 10, 2021

Season 12 2020

18 episodes - Nov 8, 2020

Season 11 2019

22 episodes - Sep 29, 2019

Season 10 2018

24 episodes - Sep 30, 2018

Season 9 2017

24 episodes - Oct 1, 2017

Season 8 2016

24 episodes - Sep 25, 2016

Season 7 2015

24 episodes - Sep 21, 2015

Season 6 2014

24 episodes - Sep 29, 2014

Callen and Sam are trapped in an armed submarine that terrorists have aimed to hit an aircraft carrier in San Diego. Meanwhile, Hetty defies orders and forgoes her trip to Washington, as the team tries to locate and save Callen and Sam and prevent the terrorist attack.