Sheldon uses Dr. Stephanie to check all his hypochondriac symptoms. When Leonard's relationship with a new woman starts moving too fast for him, he goes to Penny for advice.
Guest Cast
Cast Appearances
Kaley Cuoco
as Penny
Episode Discussion
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Archived trivia from tv.com: Sheldon claims that the high-pitched noise he hears is an octave above middle-C, but the note that he hums is actually a C-sharp.