In sixty minutes of hand-cut silhouettes, genre-roaming music, and quietly radical tenderness, Dreamcats! accomplishes what family theater rarely dares: it makes grown-ups weep, and children lean forward in the same breath. Charlotte Lily Gaspard and Midnight Radio Show have crafted a world premiere of uncommon imaginative wattage. Catch it before May 3 at the Gene Frankel Theatre; then watch this company’s galactic future — the next enchantment is already shimmering behind the screen.