NCIS’ Timothy McGee Will Have His ‘Relationship and Heart Tested’ During Season 23 Finale

Johnni MackeWed, May 6, 2026 at 1:01 AM UTC

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Michael Yarish/2025 CBS Entertainment Inc

The NCIS season 23 finale is just around the corner and fans of Special Agent Timothy McGee need to brace themselves for a wild ride ahead.

“One of our leaders, Mr. Timothy McGee, is in for a big surprise at the end of the season,” Diona Reasonover, who plays forensic scientist Kasie Hines, exclusively told Us Weekly ahead of the finale, which airs on Tuesday, May 12.

She teased that McGee, played by Sean Murray, is going to have “his relationship and his heart tested in a way that we are not going to see coming.”

Murray, for his part, previously told Us that season 23 would include a character arc for McGee. Viewers saw one of those big moments during episode 12 on March 17, where McGee learned he has a teenage son from a past relationship.

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“McGee is always pushing himself to be better and improve, but at the same time, I think sometimes when these circumstances, these new situations, come up for him, it can be pretty scary for him too,” Murray, 48, said in November 2025.

Katrina Law — who plays Special Agent Jessica Knight — also hinted at a possible big shift for McGee this season during CBS Fest in April.

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Sean Murray as Timothy McGee. Robert Voets/CBS

When asked about who will become the new NCIS director after Leon Vance’s (Rocky Carroll) shocking death during episode 13, Law, 40, said it’s “so up in the air right now.” (Vance was shot and killed by a CID agent inside the NCIS office during the March 24 episode.)

However, she hinted at a personnel change from within the team moving forward, which many fans think means McGee could get promoted.

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“You never know who's going to come on the show or who might move up — or come back,” she told Us at the press event, making a smirking expression for the camera.

Reasonover, meanwhile, told Us last month that fans should be prepared for a “lot of really surprising endings” this season but played coy about whether the McGee twist would have to do with Vance’s death.

“You're gonna have to wait a little bit longer,” she said to find out who his replacement will be, hinting the answer won’t be revealed until season 24.

Diona Reasonover as Kasie Hines. Michael Yarish/2025 CBS Entertainment Inc

When it comes to her own character’s evolution, Reasonover said Kasie “just kind of locks in to help the team because there’s some pretty explosive things that happen with the rest of the team.”

She also confirmed that there will be a “cliffhanger” and “a lot more questions than answers” when the season ends.

The season 23 NCIS finale airs on Tuesday, May 12, at 8 p.m. ET.

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Source: “AOL Entertainment”