Riverdale - Season 6 Episode 4 Chapter Ninety-Nine: The Witching Hour(s) To save the future, they must survive the past.
Overview: As Bailey's Comet passes over Rivervale, Cheryl and Nana Rose revisit the tragic stories of the Blossom women through the years. Meanwhile, the once-in-a-lifetime celestial event prompts Cheryl to summon a familiar face to Rivervale - Sabrina Spellman.