NCIS fans are some of the most dedicated television fans we know of! The show's directors and producers should be cautious of details in the series because at some point or another, their viewers will find the mistakes! See what fans discovered from this first episode...

IN CASE YOU MISSED IT: NCIS fans notice a big mistake with "Ziva"

NCIS fans spotted this mistake about "Agent Gibbs"

NCIS: Hawaii Casts Actor Model Noah Mills stars Jesse new series 2021 premiere release date

Big star on the runway

'NCIS: Hawaii': Meet The Newest Star Joining The Cast

NCIS and NCIS: L.A. Will Resume Production In September

Are you an expert?

Which 'NCIS' character was NOT first introduced in 'JAG'?

"Timothy"
"Tony"
David McCallum

Then and now

'NCIS': Through The Years With The Cast