Channels from the YouTube TV app are missing from the Live tab channel list on certain Google TV models
Some users are suddenly experiencing issues accessing YouTube TV channels through the Live tab on Google TV, as the channels have suddenly disappeared from their Google TV™.
In the meantime, you should still be able to watch YouTube TV on your Google TV model directly from the YouTube TV app. You may be able to resolve the problem by disabling the YouTube TV service in your Google TV profile settings, and then adding it back.
Please visit the YouTube TV Help page for the latest information.