Don't blame me, blame your pal BIOLOGY,
The Big Bang Theory Season 10, Episode 5
Evolutionary BIOLOGY
says that women are attracted to a man...
The Big Bang Theory Season 6, Episode 18
You know, BIOLOGY.
The Big Bang Theory Season 1, Episode 12
and took out a book on BIOLOGY
to see what whores did.
The Big Bang Theory Season 7, Episode 22
You have no experience
in the field of BIOLOGY.
The Big Bang Theory Season 5, Episode 16