In 'Riverdale', which classic comic series inspired the show?

In 'Friday Night Lights', what sport does the Dillon Panthers team play? Which actor played Coach Eric Taylor in 'Friday Night Lights'? In 'Dawson's Creek', in which fictional town is the series set? In 'Pretty Little Liars', who sends threatening messages to the girls? In 'Twin Peaks', what does Agent Cooper famously love? In 'Northern Exposure', in which fictional Alaskan town is the series set? In 'Hill Street Blues', what does the sergeant say at the end of roll call? Which 1960s sitcom features a witch named Samantha married to a mortal?