NCIS is one of the longest-running and most successful crime dramas on television—but behind its global success lies a darker side most fans never hear about.
In this video, we uncover 20 dark facts you didn’t know about NCIS (2003)—from behind-the-scenes controversies and cast changes to intense filming demands and surprising production realities.
Featuring stars like Mark Harmon and Pauley Perrette, the show built a massive fanbase—but not without challenges along the way.
Which fact shocked you the most? Let us know in the comments!
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