From CBS Press Express:
the two-hour series finale farewell for CSI: CRIME SCENE INVESTIGATION on Sunday, Sept. 27, reuniting original cast members including William Petersen and Marg Helgenberger.
To start the season, CSI: CRIME SCENE INVESTIGATION will have a special two-hour series finale farewell. Then, CSI: CYBER will move in at 10:00 PM to carry on the CSI legacy, with Emmy Award winner Ted Danson joining Academy Award winner Patricia Arquette on the cast.
Wait. WHAT!? Ted Danson is joining CSI: Cyber?
I officially have no idea what’s going on, but hey look! GRISSOM!!!!
Edited to add:
Grissom & Sara. It’s on.
Edited again to add news from CBS.com
You Don’t Want To Miss The Epic CSI Series Finale
Fan favorites return, while a star carries on the CSI legacy.