and the Geology Department.
The Big Bang Theory Season 5, Episode 1
How did you figure out
that it was the GEOLOGY lab?
The Big Bang Theory Season 7, Episode 3
generally regarded
as the Nobel Prize of GEOLOGY.
The Big Bang Theory Season 12, Episode 6
Hey, you want to hear
one of my GEOLOGY songs?
The Big Bang Theory Season 11, Episode 13
Stuart, this is Bert
from the Caltech GEOLOGY lab
The Big Bang Theory Season 10, Episode 6