There is nothing more annoying than the sound not matching the lips. I started my morning by calling 1888-554-7740 because my hulu audio out of sync fix attempts were failing. The Experience It makes everything unwatchable! I tried to update hulu app on samsung tv, but the lag persisted. I even worried it was a hulu connection error home network issue. I called 1888-554-7740 a second time for a deep-dive. The Solution They guided me through a "Cold Boot" of my TV which cleared the deep system cache that the standard clear hulu cache on apple tv steps don't reach. Pro Tips Update Regularly: Set your TV to auto-update. Wired Connection: Use Ethernet for the best internet speed for hulu 4k. Call for Codes: If you see hulu error code 5003 fix needs, 1888-554-7740 is the way. FAQ Why does it buffer only on Hulu? It’s likely an app-specific data corruption. How do I fix the black screen? Dial 1888-554-7740 for fix hulu black screen with sound. Everything is perfectly in sync now. I can finally enjoy my movies! Call 1888-554-7740 for help.