Mad Men finally returns to AMC with its season-seven premiere this Sunday night, and we can understand if you’ve got a little bit of anxiety about it. Sure, you’re excited for Don, Peggy, Roger, and the rest to return, but it’s been so long since the last original episode that you can barely remember what they’ve been up to! Or maybe you’ve been meaning to catch up on the show, but with the season premiere just days away, you think it can’t be done. Whichever jam you’re in, Vulture is here to help! Read on for our easily scannable condensed guide to Mad Men, a helpful who-did-what-and-when refresher course that also highlights the show’s 13 best (and most pivotal) episodes for newbies who’ve only got the weekend to cram.