Five most promising

Including Nashville, with Hayden Panettiere . . . and most puzzling,

Sometimes little things mean a lot. And sometimes they don’t. That’s why you never want to form a final judgment on networks’ new fall offerings based solely on the short clips they show to advertisers each May. Still, keeping those limits in mind, a preliminary evaluation seems fair. USA TODAY’s Robert Bianco offers an early look at fall’s more promising — and puzzling — entries.