But while he wasn't happy, many on Twitter were ecstatic with the segment - and the rest of the episode. Of the premiere, that sketch garnered the most reactions from viewers. "Who is America?" had a strange roll-out, first appearing online Sunday morning and then premiering on television that evening, more than 20 hours later. This clever marketing ploy gave the episode time to sink into the American psyche (by which we mean to penetrate Twitter).