Ratings: Univision was top network on Thursday

Duets had a series low 1.0 adult rating last night and 4.23 million viewers. A repeat of the Big Bang Theory had 2.0 rating and the #1 show of the night.

Spanish-language Univision however was the top network of the night with a 1.4 rating.

The rest of the numbers:

From TVbytheNumbers:

Univision was the number one network among adults 18-49 while CBS, which aired repeats, was on top in total viewers.

On ABC, Duets scored a series-low 1.0 down from a 1.2 for the Wednesday, June 21 episode, which was 90 minutes. The summer season premiere of Wipe Out earned a 1.9 adults 18-49 rating down 21% from a 2.4 for last summer's premiere on June 23, 2011.

On NBC, night four of the U.S Olympic Trials swimming coverage scored a 1.7, adults 18-49 rating, rating, compared to a preliminary 1.9 for Wednesday night's coverage.