IT'S BEEN CLEAR from the very start that Agatha All Along was building toward a big reveal with "Teen," as played by Joe Locke, and at the end of the show's fifth episode, "Darkes ...
Through this research, and a clandestine meeting with Ralph Bohner (Evan Peters), Billy eventually begins to discover his true identity — and the role that Agatha Harkness could have in helping him ...