Her co-stars and CBS confirmed her exit.
CBS dropped 80 seconds worth of footage from the anticipated Sept. 24 premiere.
Will Abby figure out that Bishop and Palmer were responsible for the damage in her lab? ET exclusively debuts a sneak peek from Tuesday's all-new episode, airing 8 p.m. ET/PT on CBS.
The veteran procedural airs Tuesdays at 8 p.m. ET/PT on CBS.