“No Your City,” Nicholas Heller’s brilliant YouTube series of short docs, normally focuses on colorful street characters like Ms. Colombia (the neon-bearded cross-dresser with the pet pigeon), equally outré stylist Wendell, and “Mosaic Man” Jim Power. But today, to cap off the second season of the series, Heller is turning the lens on a fellow documentarian of Union Square’s eccentrics, “Normal Bob Smith.”
