With help from "Big Brother," CBS won the night among the key 18-to-49-year-old demographic, according to Nielsen.
Roughly 6.5 million people tuned in to "Big Brother" to watch the houseguests compete for the title of Head of Household.
Though down 4% from last week, the show still earned the No. 1 spot among the key demo with a rating of 2.2.
According to data provided by Canvs, a social TV platform created by social media insights firm Mashwork, there were 44,009 total tweets about Wednesday's episode. About 15,465 of the tweets contained reactions of love (30.4%) and hate (26.3%).
The network also aired the Halle Berry sci-fi series "Extant," which stayed even with last week with a rating of 1.0 among the key demo. Roughly 5.7 million people tuned in.
CBS earned a rating of 1.4 among the key demo and averaged 5.7 million viewers.
Meanwhile, NBC was the No. 1 most viewed network of the night with a large viewership boost from "America's Got Talent."
Roughly 10.1 million people tuned in to the Nick Cannon-hosted reality show to see which acts moved on from the semifinal eliminations. Maroon 5 also took the stage for a guest performance.
With a rating of 1.9 among the key demo, the show was up 6% from last week and was the No. 2-most viewed program among the desired category.
There were 12,086 total tweets about "America's Got Talent," according to Canvs. Of these tweets, 3,835 were reactions containing emotion. The biggest tweet spike occured from 9:40 to 9:45 p.m., when the top 12 were announced.
Also on the network, "Taxi: Brooklyn" was up 29% from last week with a rating of 0.9 among the key demo. Roughly 5.5 million people watched Wednesday night's episode.
NBC averaged 7.3 million viewers. With a rating of 1.3, NBC tied with Fox for second-most viewed network among the key demo.
The finale of "So You Think You Can Dance" on Fox earned a rating of 1.3 among the key demo, up 18% from last week. It was also up 11% in total viewers, with 4.1 million people tuning in to watch the final night of dance performances of the season.
The reality show's finale tied for the third-most watched program among the key demo with Univision's telenovela "Mi Corazón es Tuyo." The Spanish-language network show averaged 3.3 million viewers.
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