Mark Harmon and Michael Weatherly

NCIS surged to its second-biggest audience ever Tuesday.

The CBS hit snagged 22.3 million viewers and a 3.8 in the adults 18-to-49 demographic, up 9 percent from last week. The audience falls just shy of the 22.8 million mark the show set for a Season 8 episode two years ago. Lead-outs NCIS: Los Angeles (17.5 million, 2.7) and Vegas (11 million, 1.6) were down and even, respectively.

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NBC took second behind CBS, with Go On (4.3 million, 1.7) rebounding from a series low. The New Normal (3.2 million, 1.3) and Parenthood (4.9 million, 1.9) were flat.

On ABC,  Happy Endings (3 million, 1.3) was down, Don't Trust the B---- in Apartment 23 (2.7 million, 1.1) was steady, while the penultimate episode of Private Practice (4 million, 1.2) grew a tenth.

Fox's comedy lineup continued to struggle, as all four shows posted a sub-2.0 rating.

8 p.m.
CBS: NCIS 22.3 million viewers (3.8 demo rating)
ABC: Modern Family (R) 5.1 million (1.6); Suburgatory (R) 4.8 million (1.0)
Fox: Raising Hope 3.7 million (1.6); Ben and Kate 2.3 million (1.1)
NBC: Betty White's Off Their Rockers 5.4 million (1.4)
CW: Hart of Dixie 1.4 million (0.6)

9 p.m.
CBS:
NCIS: Los Angeles 17.5 million (2.7)
ABC: Happy Endings 3 million (1.3); Don't Trust the B---- in Apartment 23 2.7 million (1.1)
Fox: New Girl 3.6 million (1.9); The Mindy Project 2.8 million (1.5)
NBC: Go On 4.3 million (1.7); The New Normal 3.2 million (1.3)
CW: Emily Owens, M.D. 1 million (0.3)

10 p.m.
CBS:
Vegas 11 million (1.6)
ABC: Private Practice 4 million (1.2)
NBC: Parenthood 4.9 million (1.9)