Season
- Season 0 2003-04-22
- Season 1 2003-09-23
- Season 2 2004-09-28
- Season 3 2005-09-20
- Season 4 2006-09-19
- Season 5 2007-09-25
- Season 6 2008-09-23
- Season 7 2009-09-22
- Season 8 2010-09-21
- Season 9 2011-09-20
- Season 10 2012-09-25
- Season 11 2013-09-24
- Season 12 2014-09-23
- Season 13 2015-09-21
- Season 14 2016-09-20
- Season 15 2017-09-26
- Season 16 2018-09-25
- Season 17 2019-09-24
- Season 18 2020-11-17
- Season 19 2021-09-20
- Season 20 2022-09-19
- Season 21 2024-02-11
- Season 22 2024-10-14
- Season 23 2025-10-14
Season 23 Episode
- Season 18 Episode 1
- Season 18 Episode 2
- Season 18 Episode 3
- Season 18 Episode 4
- Season 18 Episode 5
- Season 18 Episode 6
- Season 18 Episode 7
- Season 18 Episode 8
- Season 18 Episode 9
- Season 18 Episode 10
- Season 18 Episode 11
- Season 18 Episode 12
- Season 18 Episode 13
- Season 18 Episode 14
- Season 18 Episode 15
- Season 18 Episode 16
NCIS - Season 18 Episode 2 Everything Starts Somewhere
7.62 48 minutes Flashbacks reveal the murder case that first introduced young Gibbs to NCIS and his introduction to young, new-to-America Ducky.
