Ratings: House and Alcatraz Eye New Lows, Hawaii Five-0 Tops Smash

Hawaii Five-0 is the one singing a happy tune this morning, after eking out time-period wins over both Castle and NBC’s buzzy Smash this Monday night.

All told, Five-0 drew 10.12 million total viewers while scoring a 2.8 demo rating, up 10 and 4 percent week-to-week, while Smash dropped 20 and 18 percent to 6.5 mil/2.3. Castle (9.7 mil/2.1) enjoyed gains of 9 and 5 percent, yet trailed its CBS rival in both measures.

Michael Slezak’s Smash Recap: Ellis Learns Julia’s Secret

Most of CBS’ Monday sitcoms also bounced back from last week’s Valentine’s Eve declines, as How I Met Your Mother, 2 Broke Girls and Two and a Half Men all gained in the demo.

2012 Renewal Scorecard: What’s Coming Back? What’s Getting Axed? What’s on the Bubble?

Over on Fox, dipping ratings continued to ail House, which hit a season-low 7 million total viewers and 2.3 rating. Similarly, Alcatraz dipped a few percentage points to new lows of 6 mil/1.8.

Elsewhere….

8 pm | The Voice dominated Monday with 15.7 million total viewers and a 5.8 rating, down just 3 percent week-to-week. The Bachelor held steady at 8.1 mil/2.4. HIMYM (9.8 mil/3.8) gained 9 and 12 percent, teeing up 2 Broke Girls (11.3 mil/4.) for bumps of 8 and 5 percent. Gossip Girl (1 mil/0.5), based on some slightly suspect numbers, for the time being appears down 10 percent in audience.

9 pm | Two and a Half Men (13.24 mil/4.1) was up a few percentage points, while Mike & Molly (11.3 mil/3.4) was flat. Hart of Dixie (1.48 mil/0.6) dipped 10 percent in total audience.

10 pm | See second paragraph above.