If you see an error on your Amazon Fire TV/Stick that says
Title not available
It typically points to information stored on your device that needs to be refreshed. Follow the troubleshooting steps below to resolve the issue.
On your Amazon Fire TV remote, press the Home button.
Scroll right and select Settings.
Scroll right and select Applications.
Select Manage installed applications.
Find and select the Netflix app.
Scroll down and select Clear data.
Select Clear data again.
Scroll down and select Clear cache.
Unplug your Amazon Fire TV from power for 30 seconds
Plug your Amazon Fire TV back in, then try Netflix again.
Uninstall the Netflix app
Press the Home button on your Amazon Fire TV remote.
Select Manage All Installed Applications.
Scroll down and select Netflix.
Select Delete or Uninstall.
Reinstall the Netflix app
From the Amazon Fire TV home screen, select Search.
Type Netflix, then select Netflix.
Select Netflix again.
When the download completes, select Open.
Select Sign In.
Enter your Netflix email address and password and try Netflix again.