'CSI' Finale Preview: Brass And His Ex-Wife Search For Their Missing Daughter (EXCLUSIVE VIDEO)

'CSI' Finale: Meet Brass' Ex

The "CSI" finale could prove perilous for a member of the team -- someone is forced to go undercover to get close to a serial killer in the May 15 season closer (10 p.m. ET on CBS).

The episode, titled "Skin in the Game," should be momentous for a number of reasons -- not only does it introduce Annabella Sciorra as Captain Brass' (Paul Guilfoyle) much-discussed ex-wife, Nancy, but it also sees genre favorite James Callis guest star, along with Ozzy Osbourne, Tony Iommi, Thomas D. Clufetos Jr., and Geezer Burler who appear as themselves.

The Huffington Post has an exclusive preview of "Skin in the Game," and in the video above, Brass and his ex-wife discuss their missing daughter, hinting at the painful past between them.

Tune in for the "CSI: Crime Scene Investigation" season finale at 10 p.m. ET, Wednesday, May 15 on CBS.

CSI Season 13
"CSI" Season 13(01 of11)
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"Karma To Burn"--Julie Finlay (Elisabeth Shue) motions for someone to come to her as she stands on a chair in an attempt to climb in a tunnel in this scene, on the 13th season premiere of "CSI." (credit:CBS)
"CSI" Season 13(02 of11)
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"Karma To Burn"-- Julie Finlay (Elisabeth Shue, rear) watches as D.B. Russell's granddaughter, Kaitlyn (Mia Hays) climbs through a tunnel, on the 13th season premiere of "CSI." (credit:CBS)
"CSI" Season 13(03 of11)
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"Karma To Burn"-- Sara Sidle (Jorja Fox, left) and D.B. Russell (Ted Danson) talk at the crime scene as they calculate their next move in finding a kidnapper, on the 13th season premiere of "CSI." (credit:CBS)
"CSI" Season 13(04 of11)
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"Karma To Burn"-- Julie Finlay (Elisabeth Shue) has a brief moment to smile in this scene, on the 13th season premiere of "CSI." (credit:CBS)
"CSI" Season 13(05 of11)
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Karma To Burn" -- Captain Jim Brass (Paul Guilfoyle) stands over imprisoned former undersheriff Jeffrey McKeen before he asks him a few questions, on the 13th season premiere of "CSI." (credit:CBS)
"CSI" Season 13(06 of11)
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"Karma To Burn" -- One can only imagine what's on the mind of D.B. Russell (Ted Danson, right) as he hold a gun will looking at imprisoned former undersheriff Jeffrey McKeen in this scene, on the 13th season premiere of "CSI." (credit:CBS)
"CSI" Season 13(07 of11)
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"Karma To Burn" -- D.B. Russell (Ted Danson, left) looks at imprisoned former undersheriff Jeffrey McKeen in this scene, on the 13th season premiere of "CSI." (credit:CBS)
"CSI" Season 13(08 of11)
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"Karma To Burn" -- D.B. Russell (Ted Danson) has a feeling in this captured moment as he speaks to imprisoned former undersheriff Jeffrey McKeen, on the 13th season premiere of "CSI." (credit:CBS)
"CSI" Season 13(09 of11)
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"Karma To Burn"-- Sara Sidle (Jorja Fox, left) watches as D.B. Russell (Ted Danson) gives an angry look in this scene, on the 13th season premiere of "CSI." (credit:CBS)
"CSI" Season 13(10 of11)
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"Karma To Burn"-- Julie Finlay (Elisabeth Shue, left) consoles D.B. Russell's granddaughter, Kaitlyn, while they wait for help, on the 13th season premiere of "CSI." (credit:CBS)
"CSI" Season 13(11 of11)
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"Karma To Burn"-- Sara Sidle (Jorja Fox, left) and D.B. Russell (Ted Danson) make some sort of discovery at the crime scene, on the 13th season premiere of "CSI." (credit:CBS)

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