Riverdale Season 4 Episode 16
Chapter Seventy-Three: The Locked Room
Jughead and Betty confront Bret, Donna and Professor DuPont and unravel their plan to commit the perfect murder.
Guest Stars
Drew Ray Tanner
Fangs Fogarty
Sarah Desjardins
Donna Sweett
Alex Barima
Johnathan
Sean Depner
Bret Weston Wallis
Doralynn Mui
Joan Berkeley