Riverdale - Season 3 - Eps 11: Chapter Forty-Six: The Red Dahlia
After one of their own becomes the target of an unseen assailant, the gang works together to get to the bottom of Riverdale's latest mystery. Meanwhile, Betty works with a surprising ally to piece together clues about a series of deaths in the town. Elsewhere, a spiraling Archie sets out on a new path, while Jughead comes face to face with Ms. Mulwray, Hiram's alleged mistress.
About Riverdale

Title: Riverdale
First Air Date: 2017-01-26
Last Air Date: 2023-08-23
Status: Ended
Rating: 8.435/10 (from 13531 votes)
Language: EN
Seasons: 7
Total Episodes: 137
Network: The CW
Genres: Crime, Drama, Mystery
Production Companies: Warner Bros. Television, Berlanti Productions, CBS Studios, Archie Comics
Synopsis
Set in the present, the series offers a bold, subversive take on Archie, Betty, Veronica and their friends, exploring the surreality of small-town life, the darkness and weirdness bubbling beneath Riverdale’s wholesome facade.
Cast

K.J. Apa
Archie Andrews

Lili Reinhart
Betty Cooper

Camila Mendes
Veronica Lodge

Cole Sprouse
Jughead Jones

Madelaine Petsch
Cheryl Blossom

Casey Cott
Kevin Keller

Drew Ray Tanner
Fangs Fogarty

Vanessa Morgan
Toni Topaz

Mädchen Amick
Alice Cooper