He was so busy figuring out
how many parts per million of URINE...
The Big Bang Theory Season 8, Episode 9
The water the astronauts drink
is made from each other's recycled URINE.
The Big Bang Theory Season 6, Episode 1
No, that measuring cup
has always been for URINE.
The Big Bang Theory Season 1, Episode 11
It is. They're what hold back
the URINE and feces.
The Big Bang Theory Season 8, Episode 18
What you're buying here
are the ingredients for very expensive URINE.
The Big Bang Theory Season 1, Episode 4