Free to air TV will suffer the same fate as print media,
albeit for different reasons. Not enough bandwidth for things like 4K or 3D, when they would rather pack in more low definition channels showing even lower quality entertainment. Eventually their audience will consist mostly of people who have no taste and/or crappy internet. Advertising will be mostly for fast food and Walmart (or your local equivalent).
Except for the BBC, of course. That will become a glorious anachronism, like many of the great British institutions.