S4E13 · Tomorrowland

Complete story — includes the ending

In October 1965, as Betty and Henry plan to move to the nearby town of Rye, Don arranges to take his kids with him on a business trip to California. The family maid, Carla, allows Glen to say goodbye to Sally; Betty is incensed and fires Carla, leading Don to ask Megan to accompany his children in California while he attends to business. Henry lambasts Betty for firing Carla, pointing out that she was important for the children's stability. Peggy and Ken sign an account with Topaz Pantyhose, bringing the agency back from the brink of collapse. Joan speaks with Greg over the phone about her pregnancy, revealing that she did not have an abortion. In California, Don takes the kids to visit Anna's home, and Stephanie gives Don the engagement ring that Anna had received from the real Don Draper. Impressed by Megan's relationship with the kids, Don proposes marriage; Megan accepts, and Don later calls Faye to end their relationship. Don has a meeting scheduled with a real estate agent at the old house in Ossining and Betty contrives to be there before the agent arrives so that she can see Don. She intimates that she regrets having married Henry, but Don tells her that he is engaged to Megan. Betty gives Don her key to the house.