UFC 119 Prelims Special ratings are in and it looks like they did a 0.9 for 1.3 million viewers. That's good enough for 6th all time. Here are the numbers for each special since they started running them:

1. UFC 109 (February 2010): 1.7 million viewers
2. UFC 114 (May 2010): 1.6 million viewers
3. UFC 108 (January 2010): 1.5 million viewers
4. UFC 104 (October 2009): 1.4 million viewers
5. UFC 103 (September 2009): 1.4 million viewers
6. UFC 119 (September 2010): 1.3 million viewers
7. UFC 116 (July 2010): 1.3 million viewers
8. UFC 115 (June 2010): 1.3 million viewers
9. UFC 106 (November 2009): 1.3 million viewers
10. UFC 111 (March 2010): 1.2 million viewers
11. UFC 118 (August 2010): 1.1 million viewers

Numbers via MMA Junkie.