This is what it says in the description:
A new television ad about the U.S. national debt produced by Citizens Against Government Waste has been deemed “too controversial” by major networks including ABC, A&E and The History Channel and will not be shown on those channels. The commercial is a homage to a 1986 ad that was entitled “The Deficit Trials” that was also banned by the major networks. Apparently telling the truth about the national debt is a little too “hot” for the major networks to handle. But perhaps it is time to tell the American people the truth. In 1986, the U.S. national debt was around 2 trillion dollars. Today, it is rapidly approaching 14 trillion dollars. The American Dream is being ripped apart right in front of our eyes, but apparently some of the major networks don’t want the American people to really understand what is going on.
I have no evidence from those channels that this is actually the case, but I also haven’t seen anything out there denying the accuracy of this claim.