0 Riverdale “Chapter Forty-Six: The Red Dahlia” Sneak Peek Posted on January 29, 2019 by Steph Flasher Kelly Ripa Guest Stars! ! A sneak peek for the January 30th episode titled “Chapter Forty-Six: The Red Dahlia”. Kelly Ripa guest stars as her husband’s character, Hyram Lodge’s mistress! Check out the teaser for the episode below. RELATED | Riverdale “Chapter Forty-Six: The Red Dahlia” Promotional Photos & Preview RIVERDALE airs Wednesdaysat 8|7c. on The CW