To troubleshoot the Hulu app on your Smart TV:

1. Close the Hulu app on the Smart TV.
2. Restart the device by unplugging the power cable, waiting 30 seconds and powering back on.
3. Launch the Hulu app again and choose an episode.
4. If the problem persists, check the connection.
5. Make sure the Smart TV is connected to the internet.
6. Reset the Wi-Fi router, by unplugging the power cable, waiting for 30 seconds, and powering back on.
7. Once the router has restarted, launch the Hulu app and check if the issue is resolved.

Note: If the issue persists, contact your device manufacturer for further troubleshooting steps.