Roberto Aguirre-Sacasa was the one who adapted Riverdale for television.
Riverdale (2017 TV series) . It was adapted for television by Archie Comics ' chief creative officer Roberto Aguirre-Sacasa and executive produced by Greg Berlanti . Roberto Aguirre-Sacasa ( born 1973 ) is an American playwright , screenwriter , and comic book writer best known for his work for Marvel Comics and for the television series Glee , Big Love and Riverdale .