Finale Ratings: Grimm at 17-Week High, Nikita Steady, Supernatural Dips in Friday Farewell

NBC’s Grimm wrapped up its freshman run with an audience of 5.3 million total viewers while scoring a 1.6 demo rating, rising 19 and 33 percent week-to-week and hitting a 17-week high in the demo.

The series finale ofNBC’s Who Do You Think You Are? (5.54 mil/1.0) also was on the upside, gaining 16 percent and a tenth.

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Elsewhere in finale-land, Shark Tank (5.53 mil/1.5) dropped two tenths in the demo, Nikita (1.5 mil/0.4) rose 17 percent in audience while flat in the demo, and Supernatural (1.6 mil/0.6) slipped a tenth in its final Friday outing. The Winchesters will see you Wednesdays at 9, come October!

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As for “superlatives” on this final Friday of sweeps, a Blue Bloods repeat led in total viewers with 6.5 mil, while Grimm scared up the best rating.