THE BIG BANG THEORY “The Herb Garden Germination” Season 4 Episode 20 Photos

THE BIG BANG THEORY "The Herb Garden Germination"

Check out photos for THE BIG BANG THEORY Season 4 Episode 20 titled “The Herb Garden Germination” which airs on Thursday April 7 at 8pm on CBS. You can read all our The Big Bang Theory coverage here.

Episode Synopsis: THE BIG BANG THEORY ” The Herb Garden Germination ” Season 4 Episode 20 – Sheldon and Amy decide to start several rumors about the others as a test. Meanwhile, Howard takes his relationship with Bernadette to even higher level.

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