The best way to spend a Thursday night circa 2010 was to park yourself in front of an NBC comedy lineup that featured The Office , 30 Rock , Parks and Recreation , and Community . All four shows have since become classics. But some have had more influence on the network-sitcom landscape—one that has never been the same since they ended—than others. The Office and its direct descendant Parks and Rec gave rise to a generation of sweet, faintly progressive mockumentaries: Modern Family , Abbott