Riverdale S06e18 May 2026

: Percival systematically inflicts horrors upon Riverdale, including rivers of blood, swarming insects, lice, and painful boils. This culminates in a literal darkness falling over the town.

The episode ends on a cliffhanger as the survivors realize they cannot defeat Percival alone. Heather, recognizing the need for a powerful necromancer to resurrect their fallen friends, reveals she knows someone who can help: from Chilling Adventures of Sabrina . Riverdale s06e18

: Despite the chaos, Toni and Fangs decide to marry to give the town a reason to celebrate. Veronica takes on the role of wedding planner while grappling with feelings of loneliness and an identity crisis. Heather, recognizing the need for a powerful necromancer

: Those who are younger siblings, such as Betty (younger than Polly and Charles) and Cheryl (younger than Jason), remain alive. : Those who are younger siblings, such as

: Baby Anthony, though a firstborn, survives the plague, leading the group to believe he possesses special protection or significance. The Return of Sabrina Spellman

In the episode’s shocking climax, Percival enacts the final plague: the death of the firstborn. After symbolically suffocating Nana Rose, the "oldest living firstborn child" in Riverdale, a wave of death sweeps through the town.

: Major characters who are firstborn children, including Archie Andrews, Jughead Jones, Toni Topaz, and Fangs Fogarty , drop dead instantly during the reception.