Super Bowl

Parton, Christmas tree lighting, Cowboys give NBC big week

With the help of Dolly Parton, an iconic Christmas tree lighting, "The Voice" and the Dallas Cowboys, NBC enjoyed one of its best weeks in television ratings in years.

Aside from times when NBC had the Olympics or Super Bowl, the week ending Sunday was the network's most-watched in 19 years, said Bob Greenblatt, NBC chairman.

The Parton movie, "Christmas of Many Colors," finished among the Nielsen company's top 10 programs last week. The network also had strong weeks for "The Voice" and the growing freshman drama, "This is Us."

NBC hopes its success continues this week with the high-profile musical "Hairspray Live!"...

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