Maybe you’re a late-bloomer and still looking to know what “Mad Men” is really all about? No worries, you’ll thank us later. Read up on this super-speedy show timeline to get caught up on all the major moments of season 1 through 4. But, please be warned– these do include juicy spoilers (If you’ve never watched)– but will definitely get you up to date!

Mad Men Timeline

Advertising is based on one thing: happiness. And do you know what happiness is? Happiness is the smell of a new car. It’s freedom from fear. It’s a billboard on the side of a road that screams with reassurance that whatever you’re doing is OK. You are OK.
—  Don Draper, Mad Men Season 1