
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

to the geology LAB
or the chemistry LAB.
The Big Bang Theory Season 7, Episode 3

and I should take over
your LAB in the interim.
The Big Bang Theory Season 12, Episode 5

One time at my LAB...
The Big Bang Theory Season 4, Episode 5