...extracted from the URINE of cows.
The Big Bang Theory Season 4, Episode 22
It took me a gallon of URINE
to make that water.
The Big Bang Theory Season 5, Episode 15
the URINE should just bead up
and roll right off.
The Big Bang Theory Season 5, Episode 21
...which could give
a positive URINE test for opiates...
The Big Bang Theory Season 1, Episode 5
What you're buying here
are the ingredients for very expensive URINE.
The Big Bang Theory Season 1, Episode 4