Supernatural's Kim Rhodes is back on set for season 10.

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Sheriff Jody Mills will make an appearance in the eighth episode of season 10, which will be a buddy cop episode featuring Donna Hanscum (Briana Buckmaster) from season 9's "The Purge."

"Got an early call tomorrow," Rhodes tweeted on Sunday. "Off to bear country again. Wonder how they feel about Impalas."

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Executive producer Jeremy Carver dropped a few hints about the episode in an iTunes season 10 preview.

"Some of the fun episodes, or just some of the episodes as a whole, will see our version of The Heat as we watch these two female sheriffs work a case together," Carver said.

 Penned by Jenny Klein ("Torn and Frayed," "Caged Heat") and executive producer Phil Sgriccia, the untitled episode will be directed by Tim Andrew ("Dog Dean Afternoon," "Southern Comfort").

Find out more when Supernatural returns to The CW on Oct. 7 at 9 p.m. ET. Click the video below to see a sneak peek from the season premiere, "Black."