“There is a dreamlike quality to it, and believe it or not, it is related to the show, and not because it’s psychedelic,” said [Mad Men showrunner Matthew] Weiner, dressed appropriately for the period, with a buttoned-up suit vest but also a bright pink patterned tie. “That’s not what it’s about. What it’s about is the material and the immaterial world, and that’s what I loved.”
Did the imagery hold any clues to the season, beyond Don Draper’s affection for women and drink? Mr. Weiner, known for being unforthcoming with plot details, said, “This is related to the late ’60s, which is all I will say about it.” He added, “It maintains the idea that this is somehow going on in Don Draper’s mind, which is what the story is always about — and what the back of his head is about, on some level.”
nytimes.com