The original franchise star broke the news on Twitter.
It remains a possibility that JJorja Fox will reprise her role as Sara Sidle for the upcoming season.
'Episode 5 is ultimately really a low point of the 10 episodes for Sara and Grissom,' Fox tells ET.
The actress talks to ET about reuniting with William Petersen for the CBS revival and that there are 'surprises' in store for fans.
CBS drops a new trailer teeing up the anticipated series.