Despite falling 6% from last week, CBS' summer series "Under the Dome" helped the network win the night in total viewership, according to Nielsen.
The show, based on the science-fiction series by Stephen King, had a rating of 1.5 in the key 18-to-49-year-old demo, tying its series low in Live plus Same Day ratings.
With roughly 6.8 million viewers total, it was the No. 1 most viewed program of the night but tied for third in the key demo with NBC's "Running Wild with Bear Grylls."
The NBC reality show, now in its third week, hit its series high with help from guest Channing Tatum. It drew in 4.6 million viewers overall and increased 15% from last week with a rating of 1.5 in the key demo.
A recap of the network's "American Ninja Warrior" posted a solid rating of 1.4 in the key demo and drew in 4.3 million viewers.
Fox, which aired a full-on night of Gordon Ramsay, ranked No. 1 for the night in the key demo, with a rating of 1.6. It took third most watched network overall with 4.5 million viewers.
Ramsay's culinary showdown "Masterchef" earned a rating of 1.8 in the key demo, the highest rated broadcast of the night in that same category. Despite dipping 10% from last week, the show was the No. 2 most watched overall with 5.2 million viewers.
Fox's other Monday night show, "Hotel Hell," earned a rating of 1.3 and averaged 3.8 million viewers total.
ABC's "Bachelor in Paradise" held steady with last week's premiere with a rating of 1.4 in the key demo and about 5 million viewers overall.
The network was No. 2 most watched overall with 4.5 million viewers. With a rating of 1.3, ABC tied for third among the key demo with Spanish-language network Univision.
Also on ABC, "Mistresses" was up 11% from last week with a rating of 1.0 in the key demo and about 3.5 million viewers.
On CW, an original episode of "Whose Line Is It Anyway?" drew in 1.9 million viewers, up 17% from last week's original. The repeat episode also rose 15% in total viewers, helping the network tie for its highest rated Monday of the season in the key demo with a rating of 0.5.
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