1x36 - Archie's Weird Mysteries

Part 3 of 3. With Betty and Veronica still mad at him over his inability to choose a girlfriend and Jughead mad at him over his accepting a solo scholarship to Italy, Archie just wants to get out of Riverdale. But when he's thrown hundreds of years back in time while Vinnie tries to destroy all of Riverdale, he finds out how important he was to the town's history -- and future.