Riverdale (2017)

S6E9 Chapter One Hundred and Four: The Serpent Queen's Gambit

Feeling that Percival is gearing up for a significant move, Archie, Betty, and Jughead alert their friends about the looming danger he poses to the town. At the same time, Toni becomes a target as Percival reveals his intentions to eliminate gangs, specifically targeting the Serpents. In the end, Cheryl decides to take action against Archie, Betty, and Jughead.