A mob boss goes to therapy, and somehow that's the thing that makes you realise TV could be proper art.
Fun fact: The finale's cut to black crashed HBO's switchboard as millions assumed their cable had gone out.
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.