Missy, braiding a doll's hair, looked up. "What's 2160p?"

Mary finally set down her Bible. "Sheldon, we are not buying a new TV so you can watch a man get a medal in ultra-crisp definition."

The Best Buy showroom was a cathedral of light. Dozens of panels blazed with saturated colors, playing loops of nature documentaries and action movies. But in the premium corner, the 2160p display sat dormant. A sales associate named Chad, who wore a Bluetooth earpiece and a look of total defeat, said, "Uh, we usually save that for the 4K demo reel."

Sheldon turned to his father. "Dad. We need this television."