The results show for America's Got Talent's first semi-final pulled in 10.7m from 9pm, rising significantly in total viewers from last week. Meanwhile, Minute to Win It drew 5.7m from 8pm and a repeat of Law & Order: Special Victims Unit saw 5.4m tuning in from 10pm.
CBS followed in a close second place, starting the night with a new episode of Big Brother. The reality show nabbed 7.7m viewers from 8pm, dropping slightly from last week's season high of nearly 8m. The network aired repeats for the rest of the evening, with an episode of Criminal Minds bringing in 5.2m from 9pm, while a rerun of CSI drew 6.1m from 10pm.
Over on ABC, a repeat of The Middle attracted 4.3m from 8pm. It was followed by back-to-back reruns of Modern Family, which saw 4.6m from 8.30pm and 4.8m from 9pm. A new edition of Happy Endings saw 3.1m tuning in from 9.30pm, while Primetime Nightline nabbed 4.3m from 10pm.
Fox kicked off the evening with the series premiere of Buried Treasure at 8pm. The reality show focuses on Leigh and Leslie Keno of Antiques Roadshow, following the two as they travel across the country looking for valuable objects in unsuspecting people's homes. The series drew 3.7m from 8pm. Meanwhile, a repeat of House attracted 2.5m from 9pm.
The CW ran back-to-back reruns of America's Next Top Model, which saw 1.1m and 880,000 tuning in from 8pm and 9pm respectively.