Ratings: Idol Dominates; Survivor Hits Season High

With little competition, American Idol's Top 13 performance show ruled Wednesday night.

The two-hour episode garnered 18.5 million viewers and a 5.6 rating in the adults 18-to-49 demographic, surging 7 and 12 percent, respectively, from the previous week.

Idol recap: Is this your winner?

Other shows that enjoyed bumps: Survivor: One World (10.6 million, 3.2) — which hit a season high in the demo — Whitney (4.3 million, 1.6) and Are You There, Chelsea?(3.7 million, 1.5).On the flip side, Happy Endings, hampered by a Modern Family repeat, dropped about 25 percent to a paltry 4.53 million and a 2.0.8 p.m.
CBS: Survivor: One World10.6 million viewers (3.2 demo rating)ABC: The Middle (R) 5.25 million (1.5); Suburgatory  (R) 4.6 million (1.5)Fox: American Idol 18.5 million (5.6) [8-10 p.m.]NBC: Whitney 4.3 million (1.6); Are You There, Chelsea? 3.7 million (1.5)CW: One Tree Hill1.48 million(0.7)9 p.m.
CBS: Criminal Minds  (R) 7.2 million (1.6)ABC: Modern Family (R) 6.15 million (2.4); Happy Endings 4.53 million (2.0)NBC: Law & Order: Special Victims Unit (R) 3.6 million (1.0)CW: America's Next Top Model1.41 million (0.6)10 p.m.
CBS: CSI: Crime Scene Investigation(R) 8.3 million (1.8)ABC: Revenge for Real 5.1 million (1.4)NBC: Rock Center with Brian Williams3.6 million (1.0)