Ignore him, he's just cranky
because Bert from the GEOLOGY lab
The Big Bang Theory Season 10, Episode 9
to the GEOLOGY lab
or the chemistry lab.
The Big Bang Theory Season 7, Episode 3
Wait. What's wrong with GEOLOGY?
The Big Bang Theory Season 7, Episode 20
Bert works for the
GEOLOGY department.
The Big Bang Theory Season 7, Episode 13
Why do we have a GEOLOGY book?
The Big Bang Theory Season 7, Episode 20