Cote de Pablo, Rocky Carroll, Mark Harmon Cote de Pablo, Rocky Carroll, Mark Harmon

NCIS returned to a season high Tuesday, while Cougar Town made a respectable debut on TBS.

The CBS drama pulled in 20.8 million viewers and a 3.5 in the adults 18-to-49 demographic, up from its last episode three weeks ago. NCIS: Los Angeles (17.8 million, 3.0) and Vegas (10.7 million, 1.6) were flat.

NBC's season premiere of Betty White's Off Their Rockers (5.6 million, 1.5) was down from last year's opener. Without The Voice as a lead-in, Go On (4.2 million, 1.5) and The New Normal (3.2 million, 1.3) slumped to series lows. Parenthood (5.2 million, 1.9) inched up a tenth from last week.

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