As mentioned in the previous post about the Microsoft/Verizon partnership, you'll be able to watch 26 channels on the game console. A screenshot of the Verizon app that you'll need to download is above and a full list of the channels available at launch follows:
Available in HD:
Available in standard definition:
Verizon says that they'll be adding more channels as the service matures, so hang tight if you don't see your favorite network on the list.