Watch CSI Season 9 Episode 10: One To Go (2) - Full Online.Watch CSI (S09E10) Online.CSI Season 9 Episode 10  

The CSI team works to close Grissom's last open case, the "Dick & Jane" murders, as Grissom prepares to leave the team for good. Before leaving, Grissom offers Dr. Raymond Langston, who helped the CSI's with the "Dick & Jane" case, a permanent position as part of the CSI team.