Riverdale: Season 2, Episode 20

2 - 20: Chapter Thirty-Three: Shadow of a Doubt

As the town's mayoral race between Fred and Hermoine heats up, Hiram sets his sights on a new ally - Sheriff Minetta. Betty turns to Cheryl for help when she has a suspicion about the Black Hood. Meanwhile, the reveal of a dark secret forces Archie and Jughead to try and ease tensions between the Bulldogs and Serpents. Finally, on the eve of the mayoral debate, a mysterious message leaves everyone on edge.