Thanks for the note here. Sorry to hear about the issue you're seeing! A few more details will help us understand the issue you're experiencing a bit better.
- To help clarify, you said this issue only recently started occurring? When did you first observe the issue?
- Could you please provide more information about which model of Roku device you are using, and specific examples of content titles inside the particular channel that you experience the issue on?
- In Settings>Display type, what option do you have selected? If you try selecting a specific 4K display option, does this make any difference?
- Do you have the Roku connected directly to the TV, or is it connected through an audio/video receiver, etc.?
- Have you tried using different HDMI ports on the TV and/or cables to see if this clears up the issue?
- If you haven't already, please provide the specific TV make/model you are using with your Roku device.
With more information, we can continue assisting you and take a closer look.
Roku Community Manager