William Petersen has signed on for one more year of the popular CBS crime drama CSI: Crime Scene Investigation. According to Variety, the actor will remain attached to the series throughout the 2008-09 season.

Under his new contract, Petersen will not be appearing in every single episode of the upcoming new season. He will be able to take time off for other non-TV related projects.

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Watch for Petersen when he returns to the small screen this fall, only on CBS.