Old school and the new school battle it out on 'IDK?' This week, millennials try to stump the older generation with 'Trap Queen' and 'Piped Up.' The older generation comes back with 'Tubular' and 'Herb.' Learn more here: https://www.circa.com/story/2017/10/31/humor/the-old-school-and-the-new-school-battle-it-out-on-idk-ep-2