Riverdale is an American teen drama television series based on the characters by Archie Comics. It was ordered to series at The CW in May 2016, and the 13-episode first season premiered on January 26, 2017. It was adapted for television by Archie Comics' chief creative officer Roberto Aguirre-Sacasa and executive produced by Greg Berlanti.[2][3] On March 7, 2017, The CW renewed the series for a second season.All Rights Reserved