
is baked into
our BIOLOGY.
The Big Bang Theory Season 12, Episode 22

I have plenty of
experience in BIOLOGY.
The Big Bang Theory Season 5, Episode 16

it was an achievement
in the field of BIOLOGY.
The Big Bang Theory Season 5, Episode 12

- What about BIOLOGY?
- What?
The Big Bang Theory Season 1, Episode 12

Here I was,
waiting to be bored with BIOLOGY,
The Big Bang Theory Season 10, Episode 19