Here is the full list of all 10 FOX NOW achievements worth 0 gamerscore. It takes around 1-2 hours to unlock all of the achievements on Xbox One.
Watched 5 episodes from any FOX show during the same session
Watched 5 episodes from any FOX show
Watched very first video with FOX NOW
Pinned FOX NOW or any FOX show to my home screen
Activate FOX NOW with your TV Provider account to unlock all available episodes in FOX NOW
Watch 10 episodes from any FOX show
Watch 50 episodes from any FOX show
Watch any 5 episodes in FOX NOW within first three days of airing on TV
Watch any 10 episodes in FOX NOW within first three days of airing on TV
Watch any 50 episodes in FOX NOW within first three days of airing on TV