If you haven't yet seen Mad Men's first two seasons, then you'll probably want to stop reading this post, and you'll definitely want to avoid AMC's new season-three promo, which shows no new footage, but impressively manages to spoil Don Draper's stolen identity, his exposed affair with Bobby Barrett and his punching of her husband, and Peggy and Betty's pregnancies — all within a span of 30 seconds. [AMC via Movieline]