Netflix has thousands of hidden categories, but on Firesticks and most smart TVs Netflix simply doesn’t show them anymore. In this 2026 guide I show you that the Netflix secret codes still work (as of February 2026), and the correct way to use them so you can actually browse those hidden sections. I demo it in a browser first (phone or computer), using real examples like British TV (code 52117) and True Crime (code 9875), so you can see the hidden category pages load properly. The key trick is syncing the content back to your Firestick: when you find something you want to watch inside a hidden category, just hit the “+” button to add it to My List. That list automatically synchronizes across your devices, so when you open Netflix on your Fire TV Cube/Firestick you’ll see those titles sitting there ready to play. I also cover a massive bonus a lot of people miss: Netflix has different libraries by region. By changing your IP address with a VPN (I use IPVanish), you can unlock different Netflix regions and see a completely different “Top 10” and catalog. It’s also a solid way to stay protected and help prevent ISP throttling that can cause buffering.