Tom Bergeron, Karina Smirnoff, Jacoby Jones Tom Bergeron, Karina Smirnoff, Jacoby Jones

Dancing with the Stars' Season 16 premiere topped Monday, leading ABC to an easy win.

The two-hour episode drew 16.8 million viewers and a 3.1 in the adults 18-to-49 demographic. It's down four-tenths from last spring's opener, but up 24 percent over the fall's low-rated All-Stars premiere. The show delivered ABC's biggest audience and second-highest rating in the time period since April, according to the network.

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Lead-out Castle (11 million, 2.2) was down a tenth from its last new episode three weeks ago.

Most of CBS' lineup returned down, with 2 Broke Girls (8.3 million, 2.7) and Mike & Molly (8.2 million, 2.4) hitting series and season lows, respectively. Rules of Engagement (6.6 million, 2.2) grew from last week, as did Hawaii Five-0 (8.7 million, 2.1), which hadn't aired in a month.

The Biggest Loser season finale (7.3 million, 2.6) was up from last season's finale, which aired in May. Deception's season, and likely series, finale (3.5 million, 1.3) rose two-tenths.

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Fox's Bones (7.3 million, 2.0) and The Following (7.1 million, 2.4) both suffered against all-new competition, but The Following was the night's highest-rated drama. The CW's The Carrie Diaries (1.04 million, 0.5) scored a five-week demo high.

On cable, A&E's Psycho-inspired new drama series Bates Motel opened to 3 million viewers, and 1.6 million in the demo. The series, starring Freddie Highmore and Vera Farmiga, is now the network's most-watched original drama series debut in the demo.

8 p.m.
CBS: How I Met Your Mother 7.3 million viewers (2.9 demo rating); Rules of Engagement 6.6 million (2.2)
ABC: Dancing with the Stars 16.7 million (3.1) [8-10 p.m.]
Fox: Bones  7.3 million (2.0)
NBC: The Biggest Loser 7.3 million (2.6) [8-10 p.m.]
CW: The Carrie Diaries 1.04 million (0.5)

9 p.m.
CBS: 2 Broke Girls 8.3 million (2.7); Mike & Molly 8.2 million (2.4)
Fox: The Following 7.1 million (2.4)
CW: Hart of Dixie (R) 510,000 (0.2)

10 p.m.
Hawaii Five-0 8.7 million (2.1)
ABC: Castle 11 million (2.2)
NBC: Deception 3.5 million (1.3)