A smitten doctor, guest star Hollywood actor Billy Bob Thornton, turns up at her door after her flirtatious sales techniques on behalf of the pharmaceutical company work a little too well.
Leonard is forced to let him down gently, but Sheldon feels sorry for the man and invites him in for tea! Will Penny be able to get rid of her admirer? It might take a bit of help from Amy…
Meanwhile, Bernadette is excited to be voted one of California's 50 sexiest scientists. How will the gang take that news?
The Big Bang Theory, E4, 8.30pm
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