• NCIS is a very popular show
  • It has been running for many years
  • NCIS has some secrets... 

In some of her Twitter posts, "Abby" raised serious allegations against NCIS producers and CBS. Among other things, she announced on Twitter that Mark Harmon played psychological games with his co-stars and repeatedly harassed people on set with his dog. The actress finally left the series and complained publicly about the conditions on the set.

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39th Annual PaleyFest LA - A Salute To The NCIS Universe Celebrating "NCIS" "NCIS: Los Angeles" And "NCIS: Hawai'i"

Calling all experts!

What year did 'NCIS' premiere on CBS?

Nobody knew that Coté de Pablo was going to leave. The sudden exit of "Ziva David" in 2013 was not only a big shock for fans, but also for her co-stars.

NCIS: Secrets The Cast Wanted To Hide

'NCIS': Secrets The Cast Wanted To Hide

Watch the video above to learn more!