Season four takes place between November 1964 and October 1965. It is set at the new and considerably more modern advertising agency, Sterling Cooper Draper Pryce. The main narrative of the fourth season is driven by Don Draper's identity crisis. As Don falls deeper into existential despair, he begins regularly meeting with women of loose moral character and faces debilitating alcoholism.
Streaming, rent, or buy Mad Men – Season 4:
Currently you are able to watch "Mad Men - Season 4" streaming on Amazon Prime Video.