Ratings: Rookie Blue Ties Season High, the Olympics Cool and Dallas Ends With a Bang

The Olympic torch was tempered some this Thursday night, as the London Games averaged “just” 22.4 million total viewers while scoring a 6.8 demo rating, per fast nationals. Week-to-week, that marks a drop of some 40 percent, and a low for 2012’s summer spectacle.

That said, London through its first 14 nights is up 12 percent in total audience and 5 percent in the demo versus Beijing 2008.

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Elsewhere on Thursday, ABC’s Wipeout made a splash with 4.8 mil and a 1.7, surging 26 and 21 percent, while Rookie Blue (5 mil/1.5) dropped a few viewers from its last fresh eppy but matched its best demo number since June 23 of last summer — despite facing off against the Olympics and pre-season football. CBS‘ Big Brother (6.2 mil/2.1) was up 14 percent and a tenth.

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In other ratings news, the Season 1 finale of TNT’s Dallas lassoed 4.3 million total viewers and drew a 1.3 demo rating, up 32 and 58 percent week-to-week. Season 2 arrives in January 2013.