That's not a Revnant

An alien escapes from national city and finds itself in Purgatory where it is confronted by Wynonna Earp. Trying to catch the deadly creature, Maggie Sawyer, Alex Danvers, Supergirl, and more of the DEO travel out to the small town. As they town's sheriff office tries to work with the DEO, tensions start to rise between the gays of both sides.