And one of them, NBC, is raising doubts about whether it still makes financial sense to try to be the top-rated network.
NBC was still the top-rated network at the time.
ABC was the top-rated network at the time, and wanted to be on a stronger station.
For the first time in 10 years, Nickelodeon, the top-rated network on basic cable, is changing its look.
This was very unusual for a two-station market, but made sense in light of the fact that ABC was the top-rated network at the time.
CTV has consistently placed as Canada's top-rated network in total viewers and in key demographics for over a decade.
During the 2007-08 season, Fox ranked as the top-rated network, primarily due to its reliance on American Idol.
However, according to Nielsen, CBS has been the top-rated network every season since then.
With it, USA had been able to maintain its status as the top-rated basic-cable network in prime time.
On the other hand, the CBC's French-language radio channel is sometimes the top-rated network.