We're grateful to have you here in the Roku Community, @Mjones3022!
We appreciate you reaching out. We understand that you're having difficulties activating the channel. With channel functionality, we highly recommend reaching out to the Customer Support of the TNT app for further clarification regarding this matter.
Let us know if there's anything else we can be of assistance with, and we'll go from there.
Best regards,
Janadee
Nadee K.
Roku Community Moderator