Before she said her final farewell on-screen, Pauley Perrette took one thing home to commemorate her time playing Abby Sciuto on NCIS. Can you guess what it is? Don't miss her final episode, "Two Steps Back," on Tuesday, May 8. Watch all-new episodes of NCIS on Tuesdays at 8/7c on CBS and CBS All Access.
Air Date: May 5, 2018