In honor of Fuse 420 Drive-In: Reefer Madness and to help get you into that 4/20 mood, we've compiled our favorite, most essential facts about weed. Join comedians Nick Guerra, Justine Marino, Orlando Leyba and Dan Klein as they get lit, devour pizza and drop knowledge on everything pot-related (like, did you know that marijuana milkshakes exist in India?!)