is the 15th episode of the seventh season of the long-running crime drama CSI: Crime Scene Investigation , which originally aired in 2007.
: Aside from Liev Schreiber, the episode features strong performances from guest stars like Ned Beatty. [S7E15] Law of Gravity
: For fans of the show, this episode is often remembered for the return of Gil Grissom (William Petersen) at the very end, marking the conclusion of Keppler's arc and the restoration of the team's status quo. If you're looking for more specific details, No better team work than GSR team work #CSI - Facebook is the 15th episode of the seventh season