Ratings: Big Brother Down But Tops Night, Whodunnit Drops, More Viewers Storm Dome

BIG BROTHERBig Brother 15‘s Sunday premiere drew 5.8 million total viewers and a 1.7 rating, scoring broadcast TV’s best demo number for the night.

That said, the reality contest was down 23 percent from last Wednesday’s launch (which, yes, is BAU) and off 26 percent from last summer’s Sunday night opener.

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Leading out of BB, an encore of the Under the Dome premiere added 5 mil and a 1.1 to the summer hit’s haul, which at last tally (with Live+3 DVR numbers) had reached 16.7 mil/4.3.

Over on ABC, Celebrity Wife Swap (3.2 mil/1.0) dropped 23 and 29 percent from its season premiere, while Whodunnit? (3.2 mil/1.0) suffered similar decreases.

NBC’s Crossing Lines (3.7 mil/0.7) shed 16 percent of its premiere audience but held tight to that demo number.

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Dexter and Ray Donovan premiere ratings can be found here.