Bamford, among the most daring and charismatic performers of her generation, is always testing the boundaries of what counts as standup comedy. Is it still standup if you’re telling jokes to a group of high schoolers in the aisles of an independent bookstore? Or to friends sitting on a park bench? Bamford does both of these things in her 2017 Netflix special, “Old Baby.” In “The Special Special Special,” she performs for the most intimate audience imaginable: her parents.