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Key NBC Show Sinks to Season Low TVbytheNumbers

A franchise show that has been performing well this summer for NBC hit a snag Wednesday night, based on Nielsen overnights for the key 18-49 demo. TVbytheNumbers.com reports that "America's Got Talent" lost 21% from last week to sink to a season-low 2.3 average rating.

In a head-to-head showdown with Fox's "MasterChef" at 9 p.m., the two reality shows finished in a dead heat, tying for top show of the night -- just one-tenth ahead of CBS's "Big Brother," which aired an hour earlier. Fox edged NBC for a win in the demo for prime time overall.

NBC's 10 p.m. entry "Camp" also sputtered, slipping 15% from a week ago to record a 1.1 average in viewers 18-49. The "America's Got Talent" recap show at 8 p.m. delivered a 1.6.

CBS followed "Big Brother" -- whose 2.2 in 18-49 equaled last week's number -- with repeats of "Criminal Minds" (0.9) and "CSI" (1.1).

Fox's repeat of "MasterChef" at 8 p.m. pulled a 1.2 in the 18-49 demo.

ABC rolled out mostly repeats, with a fresh installment of "The Lookout" managing a 0.8 at 10 p.m., matching last week's average.

For prime time overall, Fox took a narrow win with a 1.7 average rating in adults 18-49, followed by NBC (1.6 average), CBS (1.4), Univision (1.3) and ABC (0.8). NBC came out on top in total viewers, averaging 7.1 million to lead CBS (5.6 million), Fox (4.3 million), Univision (3.3 million) and ABC (2.9 million).