Episode 4.18 Ratings Posted March 11, 2011

Episode 4.18 Ratings

Last night's episode finished a strong second behind Fox's American Idol. The show's ratings were flat on the last new episode on February 24th.

The Big Bang Theory was watched by 12.13m people, down by around 0.4m from the last original episode. The show scored a 3.8/11 in the key adults 18-49 demographic, the same as its previous showing. The show scored an 8.7/14 rating in households. The show finished second behind American Idol in all key metrics.

More about the episode

'The Prestidigitation Approximation' - Season 4, Episode 18
Aired March 10, 2011 at 8/7c on CBS.

When Priya feels threatened by Leonard spending time with Penny, she forces him to cut her out of his life. Meanwhile, Howard plays mind games with Sheldon by performing a magic trick the great scientist can not figure out.

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