Larry Mitchell

When actionable evidence finally surfaces against Sean O'Neal, Upton and the team work relentlessly to build a case in secret. They discover Sean is more elusive and dangerous than anticipated.

Grissom and Willows return to help the CSI team solve a catastrophic case that paralyzes all of Las Vegas, on the special two-hour series finale.

Grissom and Willows return to help the CSI team solve a catastrophic case that paralyzes all of Las Vegas, on the special two-hour series finale.

In an upstairs/downstairs-type investigation, the CSIs look into solving two forensic mysteries: the first, the murder of a rising young movie star, amongst his entourage of best friend slackers and groupies, in his hotel suite. In the second story, the immigrant Laotian kitchen workers in the hotel may have turned against each other and committed murder. (TV-14 D)

Grissom is fascinated when every detail of a miniature is identical to that of a real crime scene, and he goes about trying to solve the case using the clues provided. Meanwhile, Catherine again finds herself--and someone close to her--in danger, and begins to suspect who may be responsible. Danny Bonaduce and Sean Young guest star. (TV-PG)