Back in the ‘50s, this room on the lower level of a suburban Washington, DC, home was used by J. Edgar Hoover’s #4 man, to pre-screen Hollywood movies for subversive content. But Hank and Emma don’t care. They’re total hams, and want a nicer place to perform, complete with a stage. Mom and Dad want to get the heirloom furniture out of there and create a cozy playroom that will grow with the kids. See how designer James Koster creates a comfy movie-watching den in one direction, and a kid’s theater in another.