Ratings: Under the Dome Dips Again, Siberia Cools, Bear Grylls Makes Small Roar

Ratings Bear Grylls PremiereUnder the Dome once again dome-inated the Monday ratings, even while sustaining a second week of declines.

CBS’ summertime surprise drew 10.6 million total viewers while scoring a 2.7 demo rating — again besting its broadcast competitors combined, yet down 10 percent and two tenths week-to-week and now off some 20 percent from its boffo debut.

RELATED | Under the Dome Recap: Dodgy Barbie, Nerd Love and a Simpsons Movie Shout-Out

Elsewhere in the 10 o’clock time slot, ABC’s Mistresses (4 mil/1.2) rose 11 percent and a tenth, while NBC’s Siberia (2.7 mil/1.0) slipped 13 percent and a tenth.

RELATED | Mistresses Recap: A Tale of Two Sisters

RELATED | Siberia Recap: (Mush)room With a View

Opening NBC’s night, American Ninja Warrior (5 mil/1.6) ticked down a tenth from its season opener. Come 9 pm, the premiere of Get Out Alive With Bear Grylls retained 4.2 mil/1.4.

ABC’s Bachelorette inched up 8 percent and a tenth to a season-high audience of 6.8 mil with a 1.9 rating. (BTW, I caught about 30 minutes of this last night. Do people really get pulled in by all that artifice? My kingdom for a genuine moment!)

Want scoop on any of the above shows? Email insideline@tvline.com and your question may be answered via Matt’s Inside Line.