Tunnel Vision

Summary

After an explosion in a bio lab, the CSI team races to determine which nerve agent left one of their own unconscious, while the others explore a dangerous underground tunnel to find another CSI who got kidnapped during the blast.

Guest stars

• Sarah Gilman as Penny Gill
• Sara Amini as Sonya Nikolayevich
• Joel Johnstone as Jack Nikolayevich
• Faran Tahir as Gray Suit
• Owain Yeoman as Truman Thomas
• Sarah Grace Hart as Sabrina