
You know, BIOLOGY.
The Big Bang Theory Season 1, Episode 12

I'm rusty on my BIOLOGY.
Breaking Bad Season 3, Episode 11

You have no experience
in the field of BIOLOGY.
The Big Bang Theory Season 5, Episode 16

- 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