The eighth episode of The Ultimate Fighter 22 debuted eight days ago with 539,000 viewers in the preliminary ratings and the show saw a 38 percent increase in the +3 DVR ratings with 742,000 total viewers. 
Nielson sources confirmed the +3 DVR numbers to The MMA Report on Thursday and the viewership was up 31 percent over episode eight of the Spring 2015 season (566,000 viewers on Live+3).
With the +3 DVR numbers in, episode eight is the fourth most watch episode of the season and the most watched episode to this point is episode six with 919,000 viewers. Seven of the eight episodes have seen viewership over 700,000 viewers in the +3 DVR ratings and the average viewership for this season in the +3 DVR ratings is 787,000.
The viewership ratings for The Ultimate Fighter 22 for episodes 1-8 is below.
Episode 1: Live+SD – 622k, +3 DVR – 902k
Episode 2: Live+SD – 463k, +3 DVR – 740k
Episode 3: Live+SD – 533k, +3 DVR – 769k
Episode 4: Live+SD – 538k, +3 DVR – 845k
Episode 5: Live+SD – 498k, +3 DVR – 720k
Episode 6: Live+SD – 585k, +3 DVR – 919k
Episode 7: Live+SD – 379k, +3 DVR – 661k
Episode 8: Live+SD – 539k, +3 DVR – 742k