Warning: Spoilers ahead for season three, episode four of "Riverdale," titled "The Midnight Club."Wednesday night's episode of "Riverdale" flashed back to when the parents were teens and finally revealed the secret they'd been hiding.Alice tells Betty how "Gryphons and Gargoyles" became a dangerousgame and resulted in the death of theirprincipal. But when Betty goes to tell Jughead, she finds him absorbed in the game. This role-playing game is dangerous, and Betty has to figure out how to stop it.And as always, The CW show included a number of pop culture and comic references. We worked with Archie Comics to find 10 details you may have missed.The episode is called "The Midnight Club."Inspired by John Hughes' "The Breakfast Club," the flashback episode shows how the parents all became friends in high school. FP, Sierra, Penelope, Hermione, Alice, and Fred all end up in detention together like the cast of "The Breakfast Club."Anthony Michael Hall plays Principal Featherhead.Principal Featherhead was the principal at Riverdale High when the parents were teens and monitored the students in detention.Hall played Brian Johnson, the "brain," in Hughes' "The Breakfast Club."The teens make references to some items that may sound familiar.Veronica mentions wanting to make "Fibes 20 Under 20" list, instead of Forbes.Young Hermione wants to get her Gamelad back, instead of Gameboy.Young Hiram gives the teens a drug called Fizzle Rocks. The name is reminiscent of the fizzy candy Pop Rocks.See the rest of the story at Business Insider Click here to read full news..