Who out there is a fan of the AMC TV series Mad Men? If that’s you, then you probably know the long wait for season five is about to be over (it kicks off next month). And you’ll probably also be curious to know that today, a brand-new poster promoting the upcoming season saw the light of day. As you might expect, it is as mysterious–and intriguing–as the show itself.

Any thoughts on what it means?

As you ponder that question, enjoy some classic Mad Men moments below.

The Carousel:

Don Draper says “What?”

Sesame Street takes on Mad Men:

Interview with Mad Men star Rich Sommer.

Rumor: Paul McCartney to appear on Mad Men?

More about Mad Men.