This Is Us s03e17 is NOT available on X1 on demand
NBC's This Is Us, s03e17 "R & B" is NOT available on X1 on demand. The episode is incorrectly marked "Buy", without any watch options.
This episode is not available at all using the Xfinity Stream app on a Samsung Smart TV.
However, this episode IS available and can be watched using the Xfinity Stream website on a PC, and on the Xfinity Stream app on an Android phone.