Riverdale has a lot of similarities with Pretty Little Liars

Refinery29

"It's more than just overarching themes (what secrets are buried beneath America's quintessential small towns?) that connect PLL and Riverdale," says Kaitlyn Reilly. "There are some crazy details that make these shows bizarrely close to one another." ALSO: Sofia Carson says Lucy Hale and Troian Bellisario may be involved in Pretty Little Liars: The Perfectionists.