it was an achievement
in the field of BIOLOGY.
The Big Bang Theory Season 5, Episode 12
Don't blame me, blame your pal BIOLOGY,
The Big Bang Theory Season 10, Episode 5
is baked into
our BIOLOGY.
The Big Bang Theory Season 12, Episode 22
You know, BIOLOGY.
The Big Bang Theory Season 1, Episode 12
I'm rusty on my BIOLOGY.
Breaking Bad Season 3, Episode 11