For more than two decades, NCIS has been one of television’s most dependable crime dramas. The CBS series delivers high-stakes investigations and memorable characters. Its ever-expanding franchise has carried viewers from Washington, D.C., to Los Angeles, Hawai’i, and Sydney. Yet NCIS was originally conceived as something far different.
But NCIS was originally a very different show. According to a report from CinemaBlend, the original concept looked nothing like today’s hit. Longtime executive producer Mark Horowitz recently revisited the show’s earliest days. He revealed a surprising connection to another legendary procedural: Law & Order.
NCIS Was Originally a JAG Spinoff
Most fans know NCIS was originally introduced through a pair of backdoor-pilot episodes of JAG. Those episodes set the stage for a new series. It centered on agents investigating crimes involving Navy and Marine Corps personnel. That JAG spinoff history is where the franchise truly began.
The show premiered on CBS in 2003. Eventually, it grew into one of the longest-running scripted series in primetime. Along the way, it introduced characters like Leroy Jethro Gibbs, Timothy McGee, and Abby Sciuto. Others included Dr. Donald “Ducky” Mallard, Jimmy Palmer, and Tony DiNozzo.
Still, the original concept was not designed to follow that familiar format. CinemaBlend reported that Horowitz discussed early NCIS development on the NCIS: Partners & Probies podcast. The show is hosted by NCIS stars Brian Dietzen and Diona Reasonover. During the chat, Horowitz said the original idea for NCIS was essentially “Law & Order in the Navy.” That is a fascinating alternate version to imagine now.
NCIS Was Originally Built Around a Courtroom Side
Horowitz explained that the original NCIS concept would have split each episode in two. The first half would focus on the crime and the NCIS agents. Then the second half would shift to the legal side. It would follow courtroom proceedings involving a new group of JAG lawyers. In short, the original NCIS format leaned heavily on the courtroom.
That structure clearly reflected the formula behind Law & Order. The original NBC drama became a massive hit. It showed both the police investigation and the prosecution that followed. Later, the franchise expanded with several spinoffs. They include Law & Order: Special Victims Unit, still one of television’s biggest dramas.
By the time the JAG episodes aired, Law & Order was already a network force. SVU was also building an audience with Mariska Hargitay as Olivia Benson. So it makes sense that Dick Wolf‘s crime-drama universe shaped how rivals launched procedurals.
Why the Final Version of NCIS Worked
In the end, NCIS dropped the courtroom-heavy format. The investigative team and its relationships became the focus instead. That single choice gave the show its own identity. Yes, the cases still delivered tension, twists, and action. But the characters were the real heart of the series.
This was a far cry from how NCIS was originally conceived. Mark Harmon‘s Gibbs anchored the original ensemble. Sean Murray‘s McGee and Pauley Perrette‘s Abby each added a distinct spark. David McCallum‘s Ducky and Michael Weatherly‘s Tony DiNozzo did the same. Their banter, loyalty, and personal arcs pulled fans toward the people behind the badges.
Today, the series rolls on with a fresh lineup of familiar faces. They include Gary Cole, Sean Murray, Wilmer Valderrama, and Katrina Law. Brian Dietzen, Diona Reasonover, and Rocky Carroll also carry the show forward.
A more Law & Order-style legal version could have been interesting. But it is hard to argue with the path the original NCIS concept ultimately took. It became a franchise of its own. Meanwhile, it kept its attention on the agents, scientists, and staff working every case.
Two TV Franchises With Lasting Power
There is something fitting about the link between Law & Order and NCIS. Both have produced multiple spinoffs and survived major cast changes. Moreover, both have stayed part of the television conversation for decades.
Mariska Hargitay still leads Law & Order: SVU as Olivia Benson. She remains one of the most recognizable characters on television. Meanwhile, NCIS keeps proving viewers still crave its blend of crime-solving, humor, and heart. The show may have started as a JAG spinoff. Yet its early creative DNA also carries a little Law & Order.
All seasons of NCIS are streaming on Paramount+. Law & Order and Law & Order: SVU is streaming on Peacock. Both shows return this fall on CBS and NBC, respectively.
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