SponsoredDon Draper and Joan Harris Are Back, PeopleStudio@Gizmodo3/23/12 11:59amFiled to: Mad men fiveJezebelHeadlineAdvertisement0EditPromoteShare to KinjaToggle Conversation toolsGo to permalink If you haven't already had your vine-printed chiffon cocktail dress steamed, your case of gin and rye whiskey ordered, and your Mad Men masks printed out in preparation for the agonizingly-long-time-coming two-hour season 5 premiere, then you'd better get cracking. Here's what you need to do to prep for the big night: Advertisement Send out your invites, embedded with the official Sterling Cooper Draper Pryce logo.Choose your poison. Approved cocktails include Stingers, Blue Hawaiians and Gimlets. Not recommended: Cosmos. Wrong show.Decorate. Think tiki bar littered with vintage mags.Dress up. When else will you be able to acceptably wear a hostess apron over a pair of clamdiggers?And then you'll be ready for the two hours of sex, betrayal, corporate intrigue, and truly indulgent 1960s style and culture that is the Season 5 of Mad Men premiere. Party at 8, show at 9/8 c, on—where else?—AMC. Advertisement Follow Mad Men on Twitter for updates, extras, and pre-premiere excitement!