‘NCIS’ Prepares for Abby’s Farewell in ‘One Step Forward’ (PHOTOS)

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Emily Wickersham, Pauley Perrette, and Brian Dietzen in NCIS - 'One Step Forward'
Robert Voets/CBS
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Michael Yarish/CBS

Gibbs (Mark Harmon) isn’t in the mood to talk to press.

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Robert Voets/CBS

Abby (Pauley Perrette) can’t help but smile ear to ear.

Sean Murray, Pauley Perrette on NCIS - 'One Step Forward'
Robert Voets/CBS

McGee (Sean Murray) and Abby have fun in the lab.

Emily Wickersham, Pauley Perrette, and Brian Dietzen in NCIS - 'One Step Forward'
Robert Voets/CBS

Ellie (Emily Wikersham) and Jimmy (Brian Dietzen) vie for Abby’s attention.

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Michael Yarish/CBS

McGee and Gibbs are up to something.

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Michael Yarish/CBS

What has McGee so concerned?

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Michael Yarish/CBS

McGee and Gibbs are on the hunt, but for what?

Skye P. Marshall as Sara Carter begs Gibbs to investigate her mother's murder in NCIS
Michael Yarish/CBS

Skye P. Marshall guest stars as Sara Carter.

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Michael Yarish/CBS

Gibbs is always focused on the task at hand.

Skye P. Marshall as Sara Carter in NCIS
Michael Yarish/CBS

Sara (Skye P. Marshall) is searching for answers.

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The end is nearing for Pauley Perrette‘s Abby Sciuto on NCIS, and CBS has released a new batch of photos from her penultimate episode.

“One Step Forward” will find Abby in an difficult predicament as she has to choose one co-worker to accompany her on an excursion. This particular outing involves a free five-star meal in, wait for it, an igloo!

Who will Abby choose? Viewers can find out when the episode airs Tuesday. Plus, they’ll see Gibbs (Mark Harmon) and the team put to work when a young woman begs for him to solve her mother’s murder.

Click through the gallery above for sneak peek photos from the episode, and watch the teaser below.

NCIS, Tuesdays, 8/7c, CBS