NCIS: Los Angeles will head to Mexico once more during "Black Budget."

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The Office of Special Projects tends to send Sam and Callen when there is a mission south of the boarder, and the two lead agents will pack their bags for Mexico after a Department of Defense shooting survivor hightails it out of the country.

Although Deeks, Kensi, and the Ops team will work the case from Los Angeles, Granger (Miguel Ferrer) will head out into the desert at least once.

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"Working Wednesday at what I'm told is the hottest place in the universe," tweeted actor Miguel Ferrer during filming in September. "I'll try to get you pictures of sun bleached actor carcasses."

Penned by Frank Military, the "Black Budget" will feature special appearances by actor/magician Bill Malone as Milton Mulrooney and John Billingsley (Star Trek: Enterprise) as Doug Ouellet.

"That's a wrap!" Malone tweeted at the end of September. "#NCISLA stay tuned for more details."

"Black Budget" will air as the fifth episode of season 6, following Oct. 20's "The 3 rd Choir."

Find out more when NCIS: LA airs Mondays at 10 p.m. ET on CBS. Click the video below to see a preview for the series next episode.