AnyNCISfan is aware that Gibbs avenged his wife and daughter’s deaths by murdering their killer, Pedro Hernandez.

But what caught these viewers off-guard was learningGibbs did this months before joining NIS.

In theNCIS: Originspremiere, Gibbs was still very clearly affected by Shannon and Kelly’s murder.

Austin Stowell as Gibbs on NCIS Origins

Image via CBS

But theNCIS: Originscreative team gives a more heartwarming answer to why Gibbs joined NISin the first place.

After trying to help Ruth deal with thieves, Gibbs and her have a heart-to-heart talk.

While on paper it sounds flat, it’s played well in the episode.

Austin Stowell in NCIS: Origins Episode 9

Image via CBS

It’s a reminder thateven the smallest interactions can have a big impact on one’s life.

In this case,Ruth was the reason the iconicNCIScharacter, Gibbs, became an agentin the first place.

NCIS: Origins returns with new episodes starting Monday, January 27, 2025, on CBS.

Leroy Jethro Gibbs (Austin Stowell) with a stern look in NCIS: Origins

Image via CBS

He wishes he had never left so they could have more time together.

As Ruth was nearing her death, she reconnected with her son and spent her last days with him.

Here’s hopingthe rest ofNCIS: OriginsSeason 1doesn’t hurt as much.

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Set in 1991, NCIS: Origins explores the early career of Leroy Jethro Gibbs, a new agent at the NCIS Camp Pendleton office. The series delves into Gibbs' formative years under the mentorship of Special Agent Mike Franks. The prequel provides insights into Gibbs' background following the tragic loss of his wife and daughter.

NCIS: Originsreturns on CBS in the U.S. with new episodes on January 27, 2025.

All previous episodes are available on Paramount+.

The series delves into Gibbs' formative years under the mentorship of Special Agent Mike Franks.

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The prequel provides insights into Gibbs' background following the tragic loss of his wife and daughter.

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NCIS: Origins

NCIS