Emily Longeretta SPOILER ALERT: This story contains spoilers from the series finale of “Riverdale,” which aired on The CW Wednesday, August 23. The end of “Riverdale” has arrived — after seven seasons of milkshake-drinking, love triangles, crime- solving and one incredible bear attack. The CW’s teen drama-turned-supernatural phenom finally wrapped up on Wednesday night, but not before throwing in a few more major twists. The finale, titled “Goodbye, Riverdale,” jumped ahead 67 years.