​Marg Helgenberger Reboots Role On CSI

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August 21, 2013

Marg Helgenberger will return as forensic scientist Catherine Willows on CSI: Crime Scene Investigation for its 300th episode. Helgenberger will help the team solve a cold case that’s eluded them for more than a decade.

According to the network, the episode will involve the investigation into a homicide in the home of a reclusive former casino mogul who was a suspect in a similar crime in 2000.

“We were just really excited to have Marg come back because, obviously, she’s such an important part of the history of CSI,” executive producer Don McGill said. “And she was super excited. It was kismet!”

Helgenberger, 54, said goodbye to “CSI” last year after 12 seasons on the show. Her last episode, “Willows in the Wind,” aired on Jan. 25, 2012.

The landmark episode will center on a cold case that “takes our characters back to the beginning,” McGill said. “They have to investigate a murder with the same M.O. and the same suspect from 14 years ago.”

Helgenberger’s appearance will partially take place in a series of flashbacks. “We will flash back 14 years to seminal moments that show Catherine, Nick, Sara, Greg and Ecklie as they were, [and how that] informed the evolution of the characters now. It’s going to be a really fun episode, very emotional, that honors 14 years of CSI,” McGill added.

“CSI” returns for its 14th season on Sept. 25. The 300th episode will air Oct. 23.