Then a laser will map
the reflective SURFACE...
The Big Bang Theory Season 6, Episode 5
...given the SURFACE area of this car
is about 60,000 square centimeters...
The Big Bang Theory Season 8, Episode 19
what do you say we get back
to SURFACE tension of domain walls?
The Big Bang Theory Season 9, Episode 10
If there is life beneath
the SURFACE of these planets,
The Big Bang Theory Season 11, Episode 10
...as the SURFACE of
an n-dimensional superfluid.
The Big Bang Theory Season 8, Episode 23