Super Bowl XLVI will be broadcasted nationally on NBC.
The 2011 Super bowl will be broadcasted by FOX.
Super Bowl I
CBS
Yes. In the United States, it is being broadcast on FOX.
CBS
No, its on Fox.
ABC
on TV on most sports channels
No just NBC.
The 2015 Super Bowl network has not yet been announced. Usually the Super Bowl will air on either FOX or CBS.
Because tehre's lots of people there and it's broadcasted to a large world-wide audience!