
In MICROBIOLOGY, the most exciting thing
I get to work with is yeast.
The Big Bang Theory Season 3, Episode 10

- What are you studying?
- Microbiology.
The Big Bang Theory Season 3, Episode 5

If I hadn't gone into MICROBIOLOGY...
The Big Bang Theory Season 3, Episode 10

Microbiology is the study
of tiny living things.
The Big Bang Theory Season 3, Episode 5

Although, it is MICROBIOLOGY.
The Big Bang Theory Season 4, Episode 24