American Idol was the top-rated show Wednesday, but it couldn't take down The Voice head-to-head. A special episode of The Voice drew 8.7 million viewers and a 2.7 in the adults 18-to-49 demographic, edging out the first hour of Idol by two-tenths. Idol averaged 10.8 million viewers and a 2.8 for both hours, down a tenth from last week. Get the scoop on 39 must-watch finales Law & Order: Special Victims Unit (7 million, 1.9) and Chicago Fire (6.9 million, 1.8) enjoyed Voice boosts, with the former rising four-tenths and the latter one-tenth. CBS' whole lineup improved as well, but ABC's entire block was down. On The CW, Arrow (2.6 million, 0.9) and Supernatural (2.1 million, 0.9) held steady. 8 p.m. CBS: Survivor: Caramoan — Fans vs. Favorites 9.2 million viewers (2.4 demo rating) ABC: The Middle 6.7 million (1.8); Family Tools 4.4 million (1.1) NBC: The Voice 8.7 million (2.7) Fox: American Idol 10.8 million (2.8) [8-10 p.m.] CW: Arrow 2.6 million (0.9) 9 p.m. CBS: Criminal Minds 9.9 million (2.5) ABC: Modern Family 8.8 million (3.1); How to Live with Your Parents (For the Rest of Your Life) 6 million (2.0) NBC: Law & Order: Special Victims Unit 7 million (1.9) CW: Supernatural 2.1 million (0.9) 10 p.m. CBS: CSI: Crime Scene Investigation 9.7 million (2.2) NBC: Chicago Fire 6.9 million (1.8) ABC: Nashville 5.4 million (1.6)

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