Hi @NC4,
Thanks for raising this concern directly to us, and welcome to the Roku Community!
We understand you're having trouble with the YouTube TV and Sling TV channels. We're happy to help. Please try restarting your Roku device by going to settings, system, power, and system restart. (If there is no power option, skip to the next step.)
Please let us know how it works.
Best regards,
John
John
Roku Community Moderator