November 14, 2014 at 04:50 PM EST

Last night saw CBS’ The Big Bang Theory rise to its potentially its biggest rating of the season since moving back to Thursday nights, while NBC’s struggling quasi-canceled A to Z slipped under the waves.

Big Bang Theory had 17 million viewers and a 4.5 rating among adults 18-49, up from last week. CBS had football preemptions in a couple markets, but the game didn’t start until 8:30 p.m. (and last week Big Bang actually increased from its early numbers after a similar situation).

Big Bang‘s explosive viewership echoed through CBS’ prime-time cosmos, getting progressively weaker as the network aired Mom (2.8), Two and a Half Men (2.2), The McCarthys (1.6) and Elementary (1.2).

Yet even The McCarthys did far better than NBC’s Bad Judge (0.9). And then there was NBC’s A to Z. After a hopeful rise last week, the comedy fell 25 percent to 2.4 million viewers and a 0.6 rating in the demo. Put another way: You can fit 7.5 A to Zs inside Big Bang Theory. Fans have hoped for a ratings increase to persuade NBC to order more epiosdes, but this suggests that won’t happen.

In addition to CBS, ABC did really well last night: Grey’s Anatomy (2.4), Scandal (3.2) and How to Get Away with Murder (2.9) were all very strong, with the latter two dramas ruling their respective time slots.

The rest of the field were modest performers, with several shows (like The CW’s block) tying their lows.

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