CSI: Crime Scene Investigation

One to Go (2)

Aired Jan 15, 2009 · 10:00 PM ET · 45 min

The CSI team is shocked and saddened when, after working with Dr. Raymond Langston on the 'Dick & Jane' murders, Grissom announces that his time as a CSI has come to an end and offers Langston a permanent position on the CSI team.