SEASON PREMIERE: Schitt’s Creek, the undervalued comedy import from Canada, begins Season 3 tonight on the POP Network, still starring veterans SCTV cohorts Eugene Levy and Catherine O’Hara as wealthy pampered parents who, after a major financial setback, retreat to go live in a small town they once purchased as a joke, became of its name. (See the show’s title.) Levy’s son, Daniel, is a co-star and series creator.