Monday's ratings recap:
* 8 pm/ET
Chuck came in fourth (behind CBS sitcom repeats) with 6.75 million viewers - a 19 percent plunge from its 3-D showcase, a 600K drop from its most recent 2-D outing, and the series' lowest rating ever for a fresh eppy.
* 9 pm
24 gained six percent and added viewers across the hour, averaging 11.16 mil. Leading out of a Two and a Half Men rerun, Worst Week's finale managed 8.7 mil (down 13 percent). Heroes sagged a bit, to 7.74 mil.
* 10 pm