The Winchesters Is Already Fixing One スーパーナチュラル Spinoff Mistake 

screenrant.com -BY CRAIG ELVY -The Winchesters marks Supernatural's very first spinoff after several failed attempts, but the prequel is already avoiding a mistake the others made.
キーワード: the winchesters, fixing, スーパーナチュラル spinoff mistake, prequel