Episode 5.21 Ratings Posted April 6, 2012

Episode 5.21 Ratings

Last night's episode of The Big Bang Theory, featuring guest star Stephen Hawking, beat American Idol and was the night's top program in the key adults 18-49 demographic despite falling to season lows.

"The Hawking Excitation" was watched by 13.01m people, down by 950,000 people from last week's episode, and ranked second behind American Idol in households and total viewers. In the important 18-49 demo, The Big Bang Theory finished first with a 4.2/14, down form last week's 4.7/15 to a season low.

More about the episode

'The Hawking Excitation' - Season 5, Episode 21
Airs April 5, 2012 at 8/7c on CBS.

When Howard gets to work with Professor Stephen Hawking, he offers Sheldon the opportunity to meet his hero.

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