Pretty Little Liars and Riverdale exist in the same universe, because sure, why not

polygon.com:

On the newest episode of Pretty Little Liars: Original Sin — a spinoff of the 2010 Freeform show — the characters return to Rosewood, the town from the first series. It’s there that the main characters learn that some of the patients from Rosewood’s Radley Sanitarium were “sent to the Sisters of Quiet Mercy over in Riverdale.”

Yes, that Riverdale! The Riverdale that is the center of the CW’s Riverdale, the show that put a nitty-gritty spin on the Archie comics characters. The show that started out as standard murder mystery, but then became serial killers and cults and magical powers and alternate universes, with the most recent season ending with a comet hurtling towards town and catapulting everyone back to the 1950s.

It’s official: iconic teen thriller Pretty Little Liars and iconic teen paranormal-crime-drama-soap-opera-musical(?)Riverdalenow share a universe.

To be fair, the connection isn’t so much a deliberate long con as it is executive producer Roberto Aguirre-Sacasa’s little Easter egg that ends up opening a whole box of Peeps (trying to connect two metaphors here, bear with me). As Aguirre-Sacasa told TV Line, he wasn’t even sure if he could make that connection.

“I assumed that we wouldn’t be allowed to reference Riverdale, since it’s in a completely different universe, but it stayed in,” he said. “So, yeah, I guess it does exist in the same universe.”

He went on to describe some in-jokes within the cast, with Alex Aiono apparently really into the idea of a football rivalry between the two high schools in both shows.

“I would love for there to be a football game between them,” Aguirre-Sacasa said. “Who knows, though. If we did push it further, I don’t even know how far we’d be allowed to push the shared