Closures: Heterosexuality and the American Sitcom - Paperbackby Grace Lavery (Author) From The Mary Tyler Moore Show to Arrested Development to BoJack Horseman, the American sitcom revolves around crises that must be resolved by episode's end, with a new crisis to come next week. In Closures, Grace Lavery reconsiders the genre's seven decade history as an endless cycle of crisis and closure that formally and representationally frames heterosexuality as constantly on the verge of both collapse and