Mark is riddled with self doubt as the hospital prepares to settle the O’Brien suit. Kerry appoints herself as Susan’s personal mentor. Carol mind a bucketful of expensive worms. Doug…

Benton decides to blow the whistle on Vucelich’s unethical study methods, causing Vucelich to drop him from the study. Susan treats a street couple, one of whom has passed HIV…

Mark tries to find a way to tell Rachel about his impending divorce. Benton attends a banquet at Vucelich’s home, with Jeanie as his date. Carter finally tells Mr. Rubadoux…

Benton decides to blow the whistle on Vucelich’s unethical study methods, causing Vucelich to drop him from the study. Susan treats a street couple, one of whom has passed HIV…

Mark tries to find a way to tell Rachel about his impending divorce. Benton attends a banquet at Vucelich’s home, with Jeanie as his date. Carter finally tells Mr. Rubadoux…

Mark is riddled with self doubt as the hospital prepares to settle the O’Brien suit. Kerry appoints herself as Susan’s personal mentor. Carol mind a bucketful of expensive worms. Doug…

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…

Betty visits her father; Paul’s girlfriend tries to convince him to prioritize his duties; Pete’s mother disapproves of his and Trudy’s idea.

Pete’s professional and personal lives become more complicated as he struggles to assert power in both. While facing pressure from his wife regarding a new apartment, he further alienates Don…

Paul hosts a party at his apartment and introduces someone special to his Sterling Cooper colleagues. Peggy visits her family for dinner. Despite a conflict of interest, the Sterling Cooper…