No surprise really. CBS was the most watched network in primetime for the 15th consecutive year and 20th in the last 21. They also had a 15 year run from 1955-70. The season averages broke down as CBS: 5.96M, NBC: 5.27M,           FOX: 4.45M, ABC: 4.14 M. As for the top rated series, the crown goes to NBC Sunday Night Football with an average of 19.9M viewers. This is the 12th consecutive season SNF has been #1. American Idol held the title for 8 years [2003-11] Cosby[1985-90] and All In The Family [1971-76] 5 years. When Westerns ruled, Gunsmoke was King from 1957-61.