When Grace and Frankie drops for its seventh and final season April 29, fans will have to bid farewell to more than just good laughs about yam lubricant and hydraulic-assisted toilet seats. The comedy from Marta Kauffman and Howard J. Morris is one of the last remaining series that features golden agers who actually address golden age topics. For all the talk in Hollywood about inclusion, there remains an astonishing lack of shows that both cast — and provide authentic depictions of — older Americans.