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NCIS: 10 Hidden Details You Never Noticed

One of CBS's most successful series of all time, will soon begin its 17th season and will be not only one of the longest-running series on prime time, but one of the most successful spin-offs ever. Beginning as an offshoot of it has differentiated itself with the colorful personalities of its cast and the excitement of its cases. Under Special Agent Leroy Jethro Gibbs, the eccentric but intrepid agents of the Naval Criminal Investigative Services solve crimes pertaining to personnel in the Navy and Marine Corps.

Over sixteen seasons and many cast changes, there are bound to be hidden details throughout the series that go unnoticed by even the most avid viewer. From odd plotholes to recycled footage and clues in character backstory, there's more mysteries in every scene than the team can solve. That just leaves more fun for the viewer, so here are ten details you may have never noticed on over the years.

The Opening Scene

The beginning shot where the NCIS car is is driving away from the camera wasn't a scene filmed for at all, but a scene taken from . The scene is from an episode called "Ice Queen," and involves a murder and a boy scout troop, which was later factored into the episode "Navy NCIS: The Beginning".

It would make sense that would borrow some elements from considering it was a direct spin-off of the show. only lasted 10 seasons, whereas NCIS will start its 17th season. That makes it the second longest-running spin-off series ever, behind 

It Isn't Filmed In Washington DC

Despite the fact that the NCIS headquarters for the series is based at the Washington Navy Yard location, it's filmed in Valencia, CA.  Though the region in Santa Clarita is picturesque, it doesn't exactly capture the historical beauty of Washington DC. There are ways the series gets around this, most often by having agents respond to cases in Norfolk and other parts of Virginia.

This doesn't make a lot of sense, as the headquarters would still be hours away from these locations, and you'd think the showrunners would update it to the new NCIS location, the Marine Corps base in Quantico, Virginia. Regardless, in the Season 5 episode "Recoil," you can finally see a glimpse of the real NCIS headquarters through the window.

The Most Wanted Board

As characters walk into NCIS headquarters, they often pass the N.C.I.S. Most Wanted board. In fact, most key scenes happen in front of it, from DiNozzo giving McGee a bad time to Gibbs giving DiNozzo one of his famous staredowns. It's easy to get distracted from paying attention to the board, but sometimes it's worth taking a second look.

Each season, the faces on the board change, updated constantly with new criminals. Some of these faces are fictional, but some of them are real, and you'll see their apprehension reflected on the board. For instance, Osama Bin Laden was pictured with a red line through his photo after his death. Real-life producer of the show Donald P. Bellisario, however, is still "at large" according to the wall.

The 'Foof' Sound

The "foof" in is one of the most distinct aspects about it. It's the concept that separates it from other crime procedurals by including a black and white "preview" before each act of an episode. Usually, there are four or five "foofs" per episode, a practice which began in Season 2 of the series.

The sound of the "foof" that is most distinct for appearing at the opening of NCIS and at its conclusion was created by Don Bellisario, the show's creator and showrunner. He wanted something memorable to stick in viewers' minds, much like the "dun dun" of Dick Wolf's shows), so he went into the recording studio and made up the "foof" sound.

All About Family

Several members of the cast and crew's real family appear on and some even play the same family members of the characters they're related to in real life. One of Don Bellisario's sons, Michael Bellisario played Chip Sterling, and one of his daughters played McGee's sister. She's really McGee's step-sister in real life, as Don Bellisario is the stepfather of Sean Murray, the actor who plays McGee.

In flashbacks of young Jethro Gibbs, he's played by Mark Harmon's actual son, Sean Harmon. Gibbs' love interest in Season 1 and 2 was played by Vivienne Bellisario, Donald Bellisario's wife, and Sean Murray's mom. In a similar way, when Abby is staring at a locket of her mother, a picture of actress Pauley Perrette's mother is actually used.

Tony's Family History

There's no shortage of news comparing Michael Weatherly to Tony DiNozzo, the playboy field agent he plays in From his flirtatious personality to his alleged lustful behavior with women, there's a lot to suggest that the two raconteurs would enjoy a fun night together if they ever crossed paths. But there's one similarity that is much more impactful.

In the series, it's revealed that DiNozzo's father cut him out of the family fortune, causing a rift between him and his son. This was inspired by Michael Weatherly's real-life relationship with his father, who cut him out of the millions of dollars he made importing Swiss Army Knives when Weatherly revealed he wanted to become an actor.

Real Life Members Of NCIS Onscreen

The creative team tries to make as authentic as possible, but a lot of times, artistic liberties have to be taken to make the episodes more tense, dramatic, and exciting to viewers. They get as much advice from real special agents in NCIS as they can to help make the series more genuine, and they also try to include some of them in cameos.

In Season 3's "Frame Up", the series featured a brief appearance from Dave Brant, who served as NCIS director from 1977 up until 2005. And in Season 5's "Identity Crisis," they featured his successor, Thomas Betro, walking down the hall of NCIS headquarters and exchanging finger guns with Agent Gibbs in a brief but memorable cameo.

That Harrison Ford Reference

In the very first episode of the first season of a Naval Officer dies after having lunch with the President aboard Air Force One. NCIS is called in to investigate the death, believing it may have been an attempt on the President's life. Meanwhile, an officer in the Marines dies in the same way. After investigating the second death, Gibbs flies back to Washington aboard the alternate Air Force One.

Onboard, he has to stop an attempt on the President's life using floor plans from Air Force One. Agent Caitlin Todd says she can't give them to Gibbs since they're top secret, to which he responds, "Come on. I saw all this in a Harrison Ford movie".  Harrison Ford was on the shortlist to play Special Agent Leroy Jethro Gibbs, but he turned it down.

The Comparisons To CSI

When was first created, it went by a few different names. First, it was with the showrunners thinking that viewers needed to know explicitly what it was about. Then it was shortened to but that was redundant, as the "Navy" reference is already in the acronym, so they finally decided on 

Showrunners were skeptical at first that it would be confused with a popular forensic crime procedural at the time. In an attempt to address this, a line is included in the first episode of Season 1 in which a Security Guard asks Special Agent Tony DiNozzo if NCIS is any relation to CSI, to which Tony responds, "Only if you're dyslexic".

Too Much Caf-Pow

There are many things about Abby Sciuto that made her the beloved quirky character fans loved on Her alternative goth style juxtaposed with her bubbly personality was a refreshing combination, and her expert forensic skills often made all the difference when it came to the team successfully solving their cases.

One of her biggest trademarks was her ubiquitous cup of Caf-Pow, the fictitious caffeinated energy beverage she could be seen slurping on in numerous episodes. Caf-Pow wasn't an energy drink at all, but unsweetened cranberry juice, as actress Pauley Perrette was on a strict no-sugar diet.

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