K.C. Undercover season finale: Exclusive first look | EW.com

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K.C. Undercover: Brett returns in exclusive finale sneak peek

(Disney Channel/Kelsey McNeal)

Brett is back in an exclusive first look for K.C. Undercover’s season 1 finale — and that’s not necessarily a good thing, given his checkered history with our heroine, played by Zendaya. 

Ross Butler, Sherri Shepherd, and Roz Ryan guest-star in the two-part finale, which follows K.C. as she goes against her friends’ and family’s wishes by attempting to protect Brett from the dangerous Other Side when he decides that he can’t bring himself to complete his mission and eliminate her. K.C.’s plan might not work out so well for her, though, judging by a clip in the tense trailer that features K.C. seconds before her car seemingly crashes into something.

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See the first look above, and watch the two-part season finale when it airs Jan. 17 and Jan. 24 at 8 p.m. ET on Disney Channel.