If you see the menu shortcuts at the top of your screen when using Netflix on your TV, you're already using the new TV experience. Netflix Help Center·Netflix

La actualización suele ser automática, pero puedes forzarla desde la tienda de apps.

He navigated to the TV's internal settings menu, fighting against the sluggish remote control response. He found the application manager. There, sitting innocently among the other apps, was Netflix. It was version 4.2.1. The update trying to install was version 5.0.

User StreamQueen99 wrote: “Just unplug it for 30 seconds. Hard reset is the only way.” User TechGuy88 countered: “Don’t do that! You’ll corrupt the cache. Go to Settings > Apps > Force Stop.”