
...on a SURFACE located
at the farthest reaches of our cosmos.
The Big Bang Theory Season 6, Episode 5

Then a laser will map
the reflective SURFACE...
The Big Bang Theory Season 6, Episode 5

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

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

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