
what do you say we get back
to SURFACE tension of domain walls?
The Big Bang Theory Season 9, Episode 10

Erase the hard drives, grab the tapes, wipe
our fingerprints off every SURFACE and run.
The Big Bang Theory Season 2, Episode 8

...as the SURFACE of
an n-dimensional superfluid.
The Big Bang Theory Season 8, Episode 23

If there is life beneath
the SURFACE of these planets,
The Big Bang Theory Season 11, Episode 10

that's just a doodle of
a hyperelliptic Riemann SURFACE.
The Big Bang Theory Season 7, Episode 20