If you subscribed to these channels through Roku (as opposed to directly with the channel on its web page, or through some other streaming service than Roku) have you tried accessing them through The Roku Channel?
Roku Community Streaming Expert
I am not a Roku employee, only a user like you. Please, no support questions via private message -- post them publicly to the Community where others may benefit as well.
If this post solves your problem please help others find this answer by clicking "Accept as Solution.".
Ultra 4800 | Streaming Stick 4K+ 3821 | TCL Roku TV 43S245/C107X
