Hey, you want to hear
one of my GEOLOGY songs?
The Big Bang Theory Season 11, Episode 13
Ignore him, he's just cranky
because Bert from the GEOLOGY lab
The Big Bang Theory Season 10, Episode 9
We are directly underneath
the GEOLOGY lab,
The Big Bang Theory Season 5, Episode 17
Stuart, this is Bert
from the Caltech GEOLOGY lab
The Big Bang Theory Season 10, Episode 6
How did you figure out
that it was the GEOLOGY lab?
The Big Bang Theory Season 7, Episode 3