Season 3 Out of Town S3, Ep1 16 Aug. 2009 Out of Town Don accidentally learns a secret about Salvatore during a business trip to Baltimore. Back at the office, the firings continue, but the new management appoints Peter and Ken as new co-heads of accounts. Love Among the Ruins S3, Ep2 23 Aug. 2009 Love Among the Ruins Don is brought in to save the day for a P.R. campaign involving the building of the new Madison Square Garden, only to have the rug pulled out from under him. At home, Betty argues with her brother over how to care for their sick father. My Old Kentucky Home S3, Ep3 30 Aug. 2009 My Old Kentucky Home Roger Sterling throws an expensive party with his new wife, Joan throws a dinner party, Peggy and Paul get stoned while working on an ad campaign, and Don's daughter Sally steals money from her grandpa. The Arrangements S3, Ep4 6 Sep. 2009 The Arrangements Don has reservations about a misguided potential client who wants to sell jai alai as the "new national pastime." Meanwhile, Sal produces the "Patio" television commercial, Peggy searches for a roommate, and Betty's father passes away. The Fog S3, Ep5 13 Sep. 2009 The Fog Betty has hallucinations of her dead father as she delivers her baby, Peter considers trying to sell the untapped "Negro market" to a reluctant client, and Peggy begins to question her future at Sterling Cooper. Guy Walks Into an Advertising Agency S3, Ep6 20 Sep. 2009 Guy Walks Into an Advertising Agency The bosses come in from London to reorganize Sterling Cooper, but a key player's career is sidetracked by a freak accident. Meanwhile, as Joan prepares to leave her job, her husband gives her some bad news. Seven Twenty Three S3, Ep7 27 Sep. 2009 Seven Twenty Three As Don secures an account with Conrad Hilton, Sterling and Cooper try to strong-arm Don into signing a contract. Meanwhile, Betty meets with her acquaintance from the governor's office, and Duck tries to get Peggy to leave Sterling Cooper. Souvenir S3, Ep8 4 Oct. 2009 Souvenir Don and Betty renew their love affair while on a business trip to Rome, while Peter has a bout of infidelity with an au pair in his building while his wife is away. Wee Small Hours S3, Ep9 11 Oct. 2009 Wee Small Hours Betty tries to meet with Henry Francis again, while Don steps up his pursuit of his daughter's former teacher. At the office, Don disappoints Conrad Hilton and is forced by a client to fire Salvatore over an unwelcome advance. The Color Blue S3, Ep10 18 Oct. 2009 The Color Blue As Sterling Cooper prepares for its 40th anniversary party, the bosses in London drop a bombshell to Lane. Miss Farrell's troubled brother pays a visit to her and Don, and Betty stumbles onto her husband's secrets. The Gypsy and the Hobo S3, Ep11 25 Oct. 2009 The Gypsy and the Hobo An old flame and potential client reenters Roger Sterling's life, Joan's husband searches for a new job, and Don finally comes clean to Betty about his true identity. The Grown-Ups S3, Ep12 1 Nov. 2009 The Grown-Ups On the weekend of the John F. Kennedy assassination, Pete finds out that he lost the promotion to Cosgrove, Roger Sterling's daughter's wedding goes off as planned, and Betty musters up the courage to respond to Don's confessions. Shut the Door. Have a Seat S3, Ep13 8 Nov. 2009 Shut the Door. Have a Seat With another sale on the horizon, Sterling, Cooper, and Draper convince Lane Pryce to fire them and then join them as they start up a new advertising firm. At home, Betty follows through with her plans to divorce Don.