The comedy's debut episode, which aired at 10PM ET following the 'America's Got Talent' finale, was seen by 10.9 million viewers.
The show moves to its normal timeslot next Wed., Sept. 21 at 8PM ET.
However, NBC's other new offering, 'Free Agents,' was seen by 6.3 million viewers, wuite a big drop from 'Up All Night.' The series moves to Wednesdays at 8:30PM ET on Sept. 21. The 'America's Got Talent' finale was seen by 14 million viewers.
Over on The CW, the premiere of 'H8R' was watched by a dismal 1.3 million viewers. The season premiere of 'America's Next Top Model' -- its first all-star season -- was watched by 1.6 million people.
The new season of 'Survivor' grabbed 10.6 million viewers, the 'Big Brother 13' finale had 7.78 million.
Want more info on the new fall shows? Check out the gallery below!