The Big Bang Theory this Thursday led the night with 13.2 million total viewers and a 3.0 rating (per finals) — while slipping 6 and 12 percent to four- and eight-year lows (marking its smallest demo number since the Season 1 finale).

Odd Couple (8.1 mil/1.6) and Rush Hour (4.6 mil/0.8) each dipped a tenth, Mom (7.9 mil/1.5) slipped two tenths and 2 Broke Girls (6.7 mil/1.6) was steady.

Elsewhere in the ratings….

ABC | Grey’s Anatomy (7.7 mil/2.0) was steady, while Scandal (6.1 mil/1.5) and The Catch (4.4 mil/0.9) each ticked down.

FOX | Bones (4.3 mil/0.9) rose a tenth from last week’s all-time demo low.

THE CW | Legends (1.65 mil/0.6) dipped to match its series low in the demo, while The 100 (1.14 mil/0.4) was steady.

NBC | The Blacklist (6.7 mil/1.2) was steady with its backdoor spinoff pilot, while Game of Silence (3.3 mil/0.7) ticked up.

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