Marg Helgenberger returns as Catherine Willows and Jason Priestley guest stars as casino mogul Jack Witten in CSI's milestone 300th episode.
"Frame by Frame" — Catherine Willows returns as the CSIs try to solve a cold case that has haunted the team for 14 years. Jason Priestley guests as the criminal that got away from the CSIs, will they be able to catch him this time? Watch CBS tonight at 10/9c to find out.
And make sure not to miss the series premiere of Marg Helgenberger's new show Intelligence on CBS February 24th at 10/9c!