to the GEOLOGY lab
or the chemistry lab.
The Big Bang Theory Season 7, Episode 3
How did you figure out
that it was the GEOLOGY lab?
The Big Bang Theory Season 7, Episode 3
Bert works for the
GEOLOGY department.
The Big Bang Theory Season 7, Episode 13
Ignore him, he's just cranky
because Bert from the GEOLOGY lab
The Big Bang Theory Season 10, Episode 9
and the Geology Department.
The Big Bang Theory Season 5, Episode 1