We are directly underneath
the GEOLOGY lab,
The Big Bang Theory Season 5, Episode 17
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
H-Him and
his GEOLOGY.
The Big Bang Theory Season 12, Episode 24
Wait. What's wrong with GEOLOGY?
The Big Bang Theory Season 7, Episode 20