Usanetwork.com/activatenbcu roku: Today, a key element of how we consume entertainment is streaming services. The USA Network (nbcu), which is owned by NBC Universal, offers a wide range of captivating shows, films, and live broadcasts. If you use Roku TV and want to access USA Network content, you've come to the correct place. Use the home button on your Roku TV remote to return to the home screen. From there, scroll down and select "Streaming Channels" to access the Roku Channel Store.