
It took me a gallon of URINE
to make that water.
The Big Bang Theory Season 5, Episode 15

...extracted from the URINE of cows.
The Big Bang Theory Season 4, Episode 22

that converts URINE
into drinking water.
The Big Bang Theory Season 5, Episode 15

Howard Hughes saved his URINE
in milk bottles.
The Big Bang Theory Season 10, Episode 23

It is. They're what hold back
the URINE and feces.
The Big Bang Theory Season 8, Episode 18