It’s Christmas on Mad Men, and as this episode’s title proclaims, “Christmas Comes But Once a Year.” You’d expect everyone to be jolly with seasonal cheer, but this is Mad Men, so, naturally, everything takes a darker turn. Don spirals deeper into his alcoholism and depression, the former Draper residence gets egged, and the rest of Sterling Cooper Draper Pryce works to deal with clients’ requests and each other.

The fashion on Mad Men is changing, and fast; women are leaving behind their New Look silhouettes for slimmer, shorter options, and men are experimenting more with suiting. Hair is higher and shorter, and large, statement jewelry plays a starring role. Everything is modernizing inside Sterling Cooper Draper Pryce.

Everything except Don.

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Lauren Sherman is editor of Fashionista, a Breaking Media site.