Riverdale S06e18 〈EXTENDED ✰〉

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.

: 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. Riverdale s06e18

The episode centers on Percival's attempt to break the town's spirit by unleashing plagues to force Archie's construction crew back to work on his mysterious railroad. In the episode’s shocking climax, Percival enacts the

: Those who are younger siblings, such as Betty (younger than Polly and Charles) and Cheryl (younger than Jason), remain alive. This culminates in a literal darkness falling over the town

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

: The gang successfully lures Percival into a specialized "Stockade of Legarius" designed to negate his powers. However, he uses his final plague—locusts—to free himself just as the wedding reception begins.

(Season 6, Episode 18) marks a pivotal, high-stakes shift in Riverdale , where the supernatural threats posed by villain Percival Pickens escalate into a full-scale reimagining of the Ten Biblical Plagues. Originally aired on June 26, 2022, the episode juxtaposes the town's struggle for survival with the celebratory, yet ultimately tragic, wedding of Toni Topaz and Fangs Fogarty. Narrative Overview & Key Events