First Brownstone on TV?

From NabeWise: "The gals of 'Sex and the City' may be trendsetters in fashion, but when it comes to brownstone living, the Huxtables were there first. Bill Cosby and his television family lived in a classic Brooklyn brownstone long before Carrie Bradshaw nabbed her apartment on the Upper East Side."  The article continues with a gloss on the history of the brownstone, pausing to note that "The iconic stoop was originally intended to keep horse droppings, slush and mud out of the home."  That's entertainment.  Full article here.