Help & troubleshooting for channels on your Roku device, including adding/removing channels, logging in to, authenticating, or activating a channel, channel-specific playback issues, assistance contacting channel publishers to report issues, and adjusting channel-specific settings.
Ok..I watch This Is Us on NBC...a fouth of a way thur season three it will not play..says error and to contact us send us a note...who is "us" Roku or NBC. PLEASE ADDRESS THE ISSUE N GET MY SHOW BACK ON S3 E10
As @jeffrok mentioned, for more information about the channel's features and functionality, you'll want to contact NBC support directly to inquire further. Many channels on Roku are developed and maintained by the channel provider themselves.