TY - ADVS AU - ELISABETH MOSS AU - JON HAMM TI - MAD MEN YEAR 4 EPISODES 07 - 09 PY - 2011/// KW - DRAMA - SERIES N1 - Rated TV-MA N2 - Not Rated To show that he has "arrived," Don buys a new car. Pete, Harry and Ken come up with a plan to attract new business, and Don's secretary makes a serious error, which could mean trouble for Joan. Cooper gets a new piece of office art that attracts the interest of the Sterling Cooper staff ER -