The Walking Dead The Walking Dead

The season finale of AMC's The Walking Dead shattered ratings records Sunday, drawing a series-high 6 million viewers.

Of those, 4 million were 18-to-49-year-olds, making it the most-watched drama series in the demo in basic cable history.

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Meanwhile, NBC continues to enjoy not having one thing in common with the NFL: parity.

The network's Sunday Night Football again won the night, attracting more than 20 million viewers throughout much of the game between the Baltimore Ravens and Pittsburgh Steelers. Late in the close game, its ratings peaked with a 7.5 rating among the 18-to-49 demographic and a 20 share.

NBC won Sunday's prime-time battle, averaging 16.1 million viewers (5.7 in the demo; 14 demo share). Because of football running over from the afternoon, Fox took second with 11.6 million viewers (4.6/12). CBS was third with 10.9 million viewers (2.6/6) followed by ABC with 8.7 million (2.5/6).

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Fox's ratings went down as the night went on, with The Simpsons attracting 9.5 million viewers, two installments of The Cleveland Show getting 7 million and nearly 6 million, respectively, and American Dad luring 5.3 million.

At 10, CBS' CSI: Miami's 200th episode drew in 10.7 million viewers, compared with 7.7 million for ABC's Brothers & Sisters.

60 Minutes, featuring an interview with Facebook founder Mark Zuckerberg, garnered 11.9 million viewers, while America's Funniest Home Videos drew 7.8 million.