NCIS celebratescelebrated its 100th episode with the Halloween themed "Chimera." But how long have you been watching? Were you hooked since "Yankee White," or did you catch on in a later season? What was the draw for you?

Here's a place where you can discuss how you started watching the show, and why you've stuck around till now. And please share your good wishes for the cast, crew and production staff on an amazing run that's far from over. Let's hear it for another 100!