The Color Blue
S3, E10: Don meets Miss Farrell's younger brother. The agency celebrates its 40th anniversary. Paul decides Peggy is his competition, while Betty finds Don's keys and discovers the contents of his private drawer.

S3, E10: Don meets Miss Farrell's younger brother. The agency celebrates its 40th anniversary. Paul decides Peggy is his competition, while Betty finds Don's keys and discovers the contents of his private drawer.