Goodbye Gil GrissomLink CopiedRead full article1 / 27Goodbye Gil GrissomAs we near Gil Grissom's (William Petersen) departure from "CSI" (Jan. 15 on CBS), we can't help but wonder how the show will go on without him. In the meantime, click through this slideshow to recall some of Grissom’s most memorable moments.Gil Grissom's most memorable "CSI" moments. View comments