Here is the full list of all 10 NBC achievements worth 0 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox One.
Watched 15 episodes on NBC
Watched an episode or clip for the second time
Pinned NBC to the home page
Pinned a show to the home page
Success, Enjoy the Show
Launched NBC for the first time
Watched first full episode on NBC
Watched 20 clips on NBC
Watch content from 3 or more different shows
Watch 1000 minutes of video