CW | 8:00 pm

A big announcement prompts the townspeople to reassess their current lives in the new episode "Chapter Eighty-Four: Lock & Key." After learning some surprising news about Toni (Vanessa Morgan), Cheryl (Madelaine Petsch) sets a risky plan in motion. Elsewhere, Jughead (Cole Sprouse) tries to make sense of a baffling encounter, while Kevin and Fangs (Casey Cott, Drew Ray Tanner) make a major decision about their future together. KJ Apa, Lili Reinhart and Camila Mendes also star.