Pauley Perrette teases her last NCIS episode, and it will make you tear up

WATCH NCIS TONIGHT ON WHIO CHANNEL 7 AT 8 P.M. 

After 15 years on NCIS, Pauley Perrette is saying goodbye to CBS show "NCIS."

Her character, forensic scientist Abby Sciuto, will appear in her final episode tonight. Perrette said it’s been difficult to leave the show behind.

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On Monday, Perrette tweeted that she was "so worried" for her fans ahead of her final episode and dropped several hints about it. She added, "It's sad, But I hope hope hope you will all watch. I Want the world to watch. I did my best work for you. And TONS of flashbacks. Everyone is there. Love you! Get everyone to watch please."

A teaser showed Abby on a stretcher in a hospital.

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On CBS' "Sunday Morning," the "NCIS" star said, "I'm still grieving. And it's sad. I, like, usually cry in my car every single day when I drive to work. And I usually cry on my way home at some point. And then I take a deep breath, and I go, 'All right,' you know?"

CBS contributed to this report. 

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