CBS once again dominated the ratings for Thursday (November 21) with its comedy block.

The Tiffany Network came first overall in the 18-49 demographics in the preliminary ratings, scoring 2.6.

The Big Bang Theory led off the night at 8pm with 5.3 (18.94m), followed by The Millers improving on last week with 2.8 (12.04m) at 8.30pm, The Crazy Ones earning 2.2 (8.73m) at 9pm and Two and a Half Men hitting 2.1 (8.62m) at 9.30pm.

Elementary finished off the night for CBS at 10pm by gaining two tenths of a point on last week with 1.8 (9.11m).

Once Upon a Time in Wonderland started off ABC's lineup with 0.9 (3.51m) at 8pm. Grey's Anatomy fizzled at 9pm with 2.6 (8.61m), while Scandal improved at 10pm with 2.9 (8.83m).

NBC began at 8pm with Parks and Recreation hitting 1.0 (2.94m), and a second episode at 8.30pm scored 1.0 (2.69m).

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Sean Saves the World earned (0.9) (2.97m) at 9pm, and The Michael J Fox Show continued at 9.30pm with 0.9 (2.80m). Parenthood took 1.2 (3.61m) at 10pm.

Fox and The CW's preliminary ratings may have been affected by an NFL game being simulcast on their affiliates in certain markets.

The CW began its Thursday programming at 8pm with The Vampire Diaries averaging 1.3 (2.90m), followed by Reign scoring 0.7 (1.81m) at 9pm.

Fox's The X Factor USA was up two tenths over last week with 1.5 (5.54m) at 8pm. Glee came in at 9pm with 1.4 (4.09m).

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Justin is a freelance entertainment journalist and writer. He first joined Digital Spy as a freelance entertainment reporter in 2010 and also worked as a sub-editor for the brand, serving as Night News Editor from 2016 to 2024. Over more than a decade, Justin has covered numerous major entertainment events from the US and has interviewed a wide-ranging group of public figures, from comedian Steve Coogan to icons from the Star Trek universe, cast members from the Marvel Cinematic Universe and reality stars from numerous Real Housewives cities and the Below Deck franchise. Justin has also been on the ground to cover major pop culture events like the Star Wars Celebration and the D23 Expo. He's written for titles across the Hearst network, plus the likes of CBR and Us Weekly.