
in the Earth's
SURFACE.
The Big Bang Theory Season 7, Episode 3

...with silicone RTV
to provide a better mounting SURFACE?
The Big Bang Theory Season 2, Episode 18

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

Can you recommend a SURFACE
The Big Bang Theory Season 7, Episode 18

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