CW | 8:00 pm

After they all receive mysterious invitations, Archie, Betty, Veronica and Jughead (K.J. Apa, Lili Reinhart, Camila Mendes, Cole Sprouse) join forces to confront the evils of their past actions once and for all in the Season 3 finale, "Chapter Fifty-Seven: Survive the Night." Elsewhere, Edgar (guest star Chad Michael Murray) makes a chilling announcement at The Farm that causes chaos to erupt. Madelaine Petsch, Marisol Nichols, Madchen Amick and Skeet Ulrich co-star.