or under the icy SURFACE
of Europa?
The Big Bang Theory Season 11, Episode 10
...given the SURFACE area of this car
is about 60,000 square centimeters...
The Big Bang Theory Season 8, Episode 19
Can you recommend a SURFACE
The Big Bang Theory Season 7, Episode 18
Then a laser will map
the reflective SURFACE...
The Big Bang Theory Season 6, Episode 5
in the Earth's
SURFACE.
The Big Bang Theory Season 7, Episode 3