If you are facing any problems on your Amazon Fire TV Stick, then you may have to clear the cached data from the Pluto TV app. Following are the steps to clear the cache:

  1. Go to Settings and Click on Apps
  2. Go to Manage All Applications
  3. Search for Pluto TV
  4. There you will find a button Clear Cache. Press the button.
  5. Restart the Pluto TV app.