"Party Crashers" -- Pictured: Nia Long (Executive Assistant Director Shay Mosley). After Hetty turns in retirement papers and then disappears, Executive Assistant Director Shay Mosley (Nia Long) arrives in Los Angeles to oversee the team and immediately makes staffing changes. Also, still mourning the death of his wife and living in a trailer on the beach, Sam is adamant that Callen find a new partner, on the ninth season premiere of NCIS: LOS ANGELES, Sunday, Oct. 1 (9:30-10:30 PM, ET/PT) on the CBS Television Network. Photo: Erik Voake/CBS ÃÂ©2017 CBS Broadcasting, Inc. All Rights Reserved. | Episode 9.01 - Party Crashers | Promotional Episode Photos | Season 9 | ncis-los-angeles | Gallery

SpoilerTV Image Archive | Gallery | ncis-los-angeles | Season 9 | Promotional Episode Photos | Episode 9.01 - Party Crashers | "Party Crashers" -- Pictured: Nia Long (Executive Assistant Director Shay Mosley). After Hetty turns in retirement papers and then disappears, Executive Assistant Director Shay Mosley (Nia Long) arrives in Los Angeles to oversee the team and immediately makes staffing changes. Also, still mourning the death of his wife and living in a trailer on the beach, Sam is adamant that Callen find a new partner, on the ninth season premiere of NCIS: LOS ANGELES, Sunday, Oct. 1 (9:30-10:30 PM, ET/PT) on the CBS Television Network. Photo: Erik Voake/CBS ÃÂ©2017 CBS Broadcasting, Inc. All Rights Reserved.

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