NCIS & NCIS: Sydney Season Finales Recap

Tuesday night was a lot. CBS gave fans a full two hours of NCIS universe drama — first the Season 23 finale of the flagship series, then a two-part season-ender for NCIS: Sydney — and both shows left their audiences with something to sit with all summer long. One ended with a gunshot and a black screen. The other ended with a kidnapping and a mother’s desperate promise. Neither was easy.

NCIS Season 23 Finale: “Sons and Daughters”

The Season 23 finale of NCIS was built around grief, legacy, and a father-daughter bond we never got enough of while it was still possible. One year after a deadly coffee shop bombing, a new explosion pulls the team back into the case — and into the orbit of Kayla Vance (Naomi Grace), Director Vance’s daughter, who never believed the original attack was the work of a lone wolf.

She was right. When the team finds Ryan Wallace dead and his car stocked with backpacks rigged with bombs matching the coffee shop attack’s signature, Kasie confirms what Kayla had been saying all along: these bombs were too sophisticated for one teenager acting alone. There was a network. There always had been.

What made the episode genuinely moving was the way it wove in flashbacks to give fans one last real look at Leon Vance (Rocky Carroll), killed off earlier this season. We saw him on the phone with Kayla the moment the first explosion went off. We saw them sparring together a month later, Kayla telling him she was going to prove it wasn’t a lone wolf. And at the end, when Kayla found an envelope in her boxing locker — a discharge paper Vance had signed, giving her permission to leave NCIS and pursue her private extremism-monitoring operation full-time — we saw him one last time, standing in the ring, watching her with quiet pride.

It’s the kind of scene that earns its tears.

The villain of the hour turned out to be a sci-fi author who had been radicalizing teenagers and turning them into bombers to profit from the corporate targets they hit. Strange, dark, and unfortunately believable. Meanwhile, Deputy Director LaRoche (Seamus Dever) swooped in to investigate Kayla for taking dirty money to fund her unsanctioned team — accusations that also threatened to taint Vance’s legacy posthumously. Parker (Gary Cole) got him to back down, and the team eventually figured out that Vance himself had been the last person to touch that money because he’d discovered it and was trying to warn his daughter before he died. He wasn’t dirty. Neither was she.

LaRoche, ever the opportunist, made clear that publicly clearing Vance’s name would be his ticket back to NCIS — and that pointed look he gave the empty director’s chair was not subtle.

But none of that was the thing everyone’s going to be talking about.

That Cliffhanger: Torres, Mateo, and One Very Loud Gunshot

McGee’s newly discovered son Mateo (Patrick Keleher) came in for a tour of the NCIS offices, told Torres he was overwhelmed and probably wouldn’t apply for the internship — and then Palmer mentioned, almost as an aside, that Mateo had actually asked to use a tech workstation to submit an application. When Torres went looking for it, there was no application. No record of anything.

Torres — undercover veteran, professional skeptic, someone who has spent a career looking sideways at people — followed his instincts. He cornered Mateo in an alley. And Mateo, instead of explaining himself, pulled a gun.

“They could be watching,” Mateo told him.

Torres put his hand on his own weapon. The camera pulled back to a wide shot above the building. A gunshot rang out. Then black.

Showrunner Steven D. Binder confirmed to TV Insider that someone was in fact hit — but ruled out a death. “I sort of had my fill this season, all of us, of killing people,” he said. “When someone’s dead, they’re dead. It’s much more interesting — I’ll think back to when Gibbs shot McGee. It’s much more fun when someone’s alive and been shot than when they’re dead. And by fun, I mean, interesting.”

As for McGee’s reaction when he finds out what’s happened — whatever that turns out to be — Binder teased that his star agent is going to be pulled in two very different directions. He drew a direct parallel to a moment from the Gibbs era, when McGee’s sister showed up with blood on her hands and McGee had to choose between the law and his family. “I think when push comes to shove, that’s where McGee’s loyalties are going to lead him,” Binder said, “but it’s not going to be an easy experience.”

Season 24 of NCIS premieres in fall 2026. That’s a long time to wonder who’s bleeding in that alley.

NCIS: Sydney Season 3 Finale: “Hunter” and “Killer”

Over in Sydney, the two-part Season 3 finale kicked off when an FBI agent named Special Agent Byrne was found stabbed to death in Fiji — and the knife used to kill him matched one from Afghanistan footage of The Collective committing war crimes. That detail sent Mackey (Olivia Swann) and JD (Todd Lasance) straight to the FBI’s Sydney headquarters, where they crossed paths with Special Agent Park, who claimed to want justice for her old Quantico classmate but was quietly playing both sides.

The target at the center of everything: Lee Meyers, former CIA, currently in custody and about to be shipped back to the US for a secret national security proceeding where he’d effectively disappear into the system. Mackey’s play was to reframe the charges as war crimes — which would take jurisdiction out of American hands entirely and put Meyers in front of a real court at the Hague. It was a bold move, and Meyers knew it.

In the second hour, “Killer,” the team pieced together what Meyers had actually been doing: using the supposed War on Drugs as cover to clear out every competitor who might interfere with a massive upcoming sale. The criminal informants flooding in weren’t whistleblowers — they were pieces being swept off the board. Mackey got the full picture after pressing Meyers again in custody. He dangled a deal: let the buyer angle go, close the case, everyone gets something they want. Mackey wasn’t interested.

So Meyers escalated. Brutally.

The car carrying Mackey’s son Trey was forced off the road and into a river. The driver was shot in the head. Trey survived only because his father Ryan told him to hide when he heard footsteps — and Ryan was right to be scared, because those men grabbed him and disappeared before police arrived. Trey was still hidden in the wreckage when he heard his mother’s voice. He came out. He told her what happened. He asked her to bring his dad home.

Meyers made his terms clear: a prisoner trade. Him for Ryan. It was the only way out before he was transferred to an off-the-grid facility where he’d be erased from official existence. He knew exactly what Ryan meant to Mackey. She wouldn’t leave another soldier behind. And she wasn’t about to start now.

The good news for NCIS: Sydney fans: CBS has already renewed the show for a fourth season. The first-ever international edition of the NCIS franchise — built around a multinational taskforce of US agents and Australian Federal Police navigating naval crimes across the Indo-Pacific — isn’t going anywhere. Whatever state Mackey leaves things in at the end of this season, she’ll get a chance to deal with the aftermath.

Whether Ryan comes home is the question she’s carrying into that next chapter.