Some recent ratings highlights:
The CBS News special That's the Way It Was: Remembering Walter Cronkite was the night's most-watched program, delivering 7.41 million viewers. Lead-out Big Brother 11 (5.58 mil) dropped 17 percent from this season's first nominations episode.
Over on NBC, Merlin (4.27 mil) gained 620 thou and the conclusion of Meteor - someone help me out here, did we survive? - inched up a hair to 5.2 mil.