An edict from Roger and Lane puts Pete in a personal dilemma.

Peggy clashes with her new creative partner; Don pitches under unusual circumstances.

Peggy determinedly collects research for a pitch. Pete is invited to join an exclusive club. Joan looks forward to spending time with her friend.

Don makes a new friend. Joan meets a client for drinks. Peggy hears impressive new work. Roger has a puzzling phone call.

With his personal and professional life crumbling around him, Don positions himself for a change of scenery. Meanwhile, Pete’s life is falling apart as well, thanks to the meddling of…

Don renews his battle with Ted after seeing his relationship with Peggy, Sally interviews at a boarding school, and Pete discovers Bob Benson’s background.

Things quickly become awkward after the two firms merge, Don asserts his dominance over Sylvia, Pete has to deal with his ailing mother, and Bob Benson helps out a sick…

Don is preoccupied with keeping Sylvia’s son from being drafted, Peggy has a rat in her apartment, Don and Ted bury the hatchet, Pete has a problem with his mother’s…

For the Draper family, life has changed. The children must adapt to a new home, a new brother, and a new stepmother. Don seems to have everything a man could…

Don and Megan work out some of their issues, Roger and Pete butt heads, and Joan has a run-in with a house guest.