Secrets - NCIS - was created on 2012-02-14.
In Season 6 it was Agent Lee.
Baltimore - NCIS - was created on 2011-05-03.
Twilight - NCIS - was created on 2005-05-24.
Requiem - NCIS - was created on 2007-11-06.
Need to Know - NCIS - was created on 2012-02-28.
Nature of the Beast - NCIS - was created on 2011-09-20.
Yankee White - NCIS - was created on 2003-09-23.
A Man Walks into a Bar... - NCIS - was created on 2011-02-08.
Theme of Secrets was created in 1985.
Sweet Secrets was created in 1984.
Secrets of the Code was created in 2006.
Secrets of Sound was created in 1992.