Of course, the premium network hasn’t slowed down since then, continuing to push the envelope over the past two decades with blockbusters like Game of Thrones and genre-bending think pieces like I May Destroy You. “It’s not TV, it’s HBO!” It might sound a bit obnoxious, but considering the way HBO basically invented prestige TV with shows like Oz and The Sopranos, it’s earned the pompous slogan.