The second season premiere of NBC’s Parenthood scored a 2.7 adults 18-49 rating, down 13% from the 3.1 rating in its spring (3/2/10) premiere, but up from its levels in May.

The eighth season premiere of One Tree Hill scored a 1.1 adults 18-49 rating (down 8% from last season’s premiere), a 1.3 adults 18-34 rating (down 19%), and a 1.9 rating for women 18-34 (down 21%). The second season premiere of Life Unexpected drew a 0.8 adults 18-49 rating (down 33% from its January 2010 premiere), a 1.0 adults 18-34 rating, and a 1.5 women 18-34 rating (down 37%).

Another data point on the Parenthood premiere adults 18-49 ratings, they were down 21% from the Tuesday premiere of The Jay Leno Show (3.4 rating) last year (9/15/09).

NBC fared much better on the rest of the night. The finale of Minute to Win It was up 6% vs. last week to a 1.9 adults 18-49 rating. Part 1 of the America’s Got Talent Finale scored a 3.8 adults 18-49 rating to top the night, rising 15% vs. last week and 15% vs. the Part 1 finale in September 2009.

ABC did well with the season finale of Wipeout. The back to back episodes drew 2.8 & 2.6 adults 18-49 ratings, up 27% from its season finale last year (9/16/09). The ABC News special Final Witness at 10pm notched a 1.4 adults 18-49 rating.

Late night results are below the primetime table.

Broadcast primetime ratings for Tuesday, September 14, 2010:

Posted by:TV By The Numbers

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