Wochit Business - Fox Tops Thursday Night Ratings With NFL Game - According to SF Gate, Fox topped the primetime TV ratings for Thursday night. Preliminary numbers place Fox first with a 2.1 rating over a 9 share in the 18-to-49 demographic. But the game between the San Francisco 49ers and the Oakland Raiders only drew in an average 7.8 million viewers. CBS game in second for the ratings, but they had slightly more viewers with an average 8 million over the evening. The biggest draw for CBS was The Big Bang Theory, which drew in 12.4 million average viewers.