TWO BRAND NEW First, in "Best Friends Day," it's Riverdale Best Friends Day and a local radio station is throwing a town-wide scavenger hunt and giving away a $100 gift certificate to Pop's for the first 10 winners. Betty & Veronica decide this is the perfect thing to do on Riverdale Best Friends Day! Join them on their adventures all over Riverdale in their quest to win—and have a fun BFF day in the process! Then, in "Book Smarts," Jake Chang, with special guest-stars Betty and Veronica, are in a real page-turner of a mystery when they find themselves face to face with the villainous Bookworm at the Riverdale BookExpo!