Gorgeous people drinking at work in the sixties and getting away with behaviour that'd get you sacked in minutes today.
Fun fact: Matthew Weiner wrote the pilot in 1999; every major network rejected it before AMC greenlit it in 2006.
Proved a video game adaptation could actually make you cry, mostly by letting the quiet bits breathe.
Fun fact: The cordyceps fungus in the show is real and currently hijacks the brains of living ants.