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'NCIS': This Is The Mistake Fans Found About "Gibbs'" First Appearance On The Show

Will "Gibbs" and "Jack Sloane" get a chance in season 18?

Before NCIS was its own series, "Agent Gibbs" and crew appeared on the military show, JAG. Fans noticed a big mistake from the airing of this episode and an NCIS episode... check out what the die-hard fans noticed in the video above!

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...

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NCIS fans spotted this mistake about "Agent Gibbs"

Mark Harmon and Cote De Pablo in the hit series NCIS