YouTube TV is a subscription-based streaming service that offers live television channels over the internet. It provides access to a variety of channels, including news, sports, and entertainment, allowing users to watch their favorite shows and events without a traditional cable subscription. The service is available on multiple devices, such as smartphones, tablets, smart TVs, and computers. Users can also record live TV with DVR functionality, enabling them to watch shows at their convenience. With a user-friendly interface, YouTube TV aims to provide a flexible and accessible viewing experience.