"The Suitcase" is the seventh episode of the fourth season of the American television drama series Mad Men, and the 46th overall episode of the series. It aired on the AMC channel in the United States on September 5, 2010.The episode is almost entirely centered on the characters of Don Draper (Jon Hamm) and Peggy Olson (Elisabeth Moss), and the relationship between the two.The episode was widely lauded, some declaring it the best episode of the first four seasons of Mad Men.