[s6e20] Chapter One — Hundred And Fifteen: Return...

For more details, you can read the full recap on the Riverdale Wiki or reviews from TV Fanatic and Entertainment Weekly . Chapter One Hundred and Fifteen: Return to Rivervale

: Jughead and Tabitha travel to Rivervale, where they learn that the two universes are conjoined and bleeding into each other. They discover that a phone call from "Bunker Jughead" to Betty—warning her of the bomb—prevented a clean break between dimensions, causing the supernatural powers and Percival's arrival. [S6E20] Chapter One Hundred and Fifteen: Return...

: Polly (recently resurrected by Cheryl) helps Betty overcome her guilt regarding the "serial killer gene" by performing a symbolic cleansing. For more details, you can read the full

: Tabitha and Jughead learn from Mr. Cypher that the land where Pop’s Chock’lit Shoppe stood is a Hellmouth . By moving the diner, Tabitha unknowingly allowed Percival’s power to grow. : Polly (recently resurrected by Cheryl) helps Betty

: While Jughead uses his new portal-opening powers to rescue Reggie, Kevin, and Marty Mantle from execution, Percival retaliates by executing Alice Cooper , Frank Andrews , and Tom Keller instead.