NCIS: The Original Team Slash: The Original NCIS is no slouch when it comes to slash.  Gibbs and Tony and Ducky and Tim and Abby and Ziva and Vance... This team could go so many ways.  What's out there? What needs to be?

Some sites:

Fanlore Wiki http://fanlore.org/wiki/NCIS

Archive of our Own via fandoms http://archiveofourown.org/tags/NCIS/works

NCIS Fanfiction Archive (slash, het and gen) http://www.ncisfiction.com/cats.php

NCIS Slash on LJ http://community.livejournal.com/ncis_slash/

On Wiki http://en.wikipedia.org/wiki/NCIS_%28TV_series%29

The real deal (for those times when you have to do research) http://www.ncis.navy.mil/