The Mentalist will head into the woods for episode 11.

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Titled "Byzantium," the eleventh episode of season 7 will take Patrick Jane and his FBI team from suburbia to woodland paths while introducing Alex Saxon (Finding Carter) as a guest star.

Little in known about the plot of "Byzantium," but the cast and crew have kept up a steady stream of updates from set. Among these was a mention of Saxon's character, a man who will apparently spend some time with Wylie (Joe Adler).

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"Got to do some interesting stuff with @saxonalex today on @Mentalist_CBS," Adler tweeted on Wednesday. "What a kind & talented guy... A pleasure to work with!!"

Meanwhile, the series' police and medical technical adviser treated fans to a glimpse behind the scenes. The adviser's photos (see above) indicate that the FBI will hit a range of locals during their investigation, including rustic farms and dangerous dark allies.

Find our more when The Mentalist returns to CBS on Nov. 30 at 9:30 p.m. ET/9 p.m. PT. Click the video below to see a preview for the final season.