The Winter Olympics are once again golden for NBC.
Nielsen says the first four nights of NBC's Olympics programming seized the top four slots in last week's audience ranking. Friday's opening ceremony took first place for the week. It was seen by nearly 32 million viewers.
Overall in prime time, NBC was seen by an average 17 million viewers.
But runner-up CBS held its own, with an average of nearly 10 million viewers. Its "Beatles: A Grammy Salute" anniversary special drew 14 million viewers to rank ninth.
Cable's AMC notched the eighth-ranked show, "The Walking Dead." It was seen by more than 15 million viewers.
The week's top-rated cable networks in prime time were History, AMC and USA.
NBC's "Nightly News" remained the top-rated evening newscast.