Episode 4.20 Ratings Posted April 8, 2011
CBS's Thursday night comedies finished a solid second behind Fox's reality contest American Idol.
The Big Bang Theory was watched by 11.24m people and scored a 6.9/12 in households. The show scored a 3.6/12 rating in the key adults 18-49 demographic and a 4.6/13 in the adults 25-54 demo. The show was down by around 450,000 viewers from last week.
More about the episode
'The Herb Garden Germination' - Season 4, Episode 20
Aired April 7, 2011 at 8/7c on CBS.
After a rumor spreads that Bernadette is planning to break up with Howard, Sheldon and Amy spread their own rumors as a social experiment.
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