Yes, you can watch Netflix with a Wi-Fi router. In fact, most people watch Netflix using a Wi-Fi connection. A Wi-Fi router is responsible for providing wireless internet access to all the devices in your home, including smart TVs, streaming devices, smartphones, and tablets. To watch Netflix with a Wi-Fi router, you will need to have a Netflix subscription, a device that supports the Netflix app, and a stable internet connection. Once you have these things, you can connect your device to your Wi-Fi network, launch the Netflix app, and start streaming.