Popsugar Entertainment Riverdale Riverdale Season 3 Flashback Episode Pictures Riverdale: Archie and the Gang Transform Into Their Parents in the Retro Flashback Episode October 24, 2018 by Kelsie Gibson First Published: October 17, 2018 View On One Page Photo 7 of 13 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 7 Previous Next Start Slideshow RiverdaleTV