Apple videos not loading

I accessed my AppleTV app, via Amazon fire stick. I accessed my AppleTV app via Amazon fire stick. I get the following error message video not available. There was a problem loading this video if it continues, check your Internet connection.

I get the following error message video not available. There was a problem loading this video. If it continues, check your Internet connection. I have checked my Internet connection.

I checked my Internet connection and reinstalled the app and still get the same message. I checked my Internet connection and reinstalled the app and still get the same message, all my other applications work. can you help?