helping to build a PROTOTYPE
for a high-tech guidance system.
The Big Bang Theory Season 9, Episode 19
...a working PROTOTYPE of the Mars Rover.
The Big Bang Theory Season 8, Episode 3
and took our PROTOTYPE and all of our
research and didn't even tell us?
The Big Bang Theory Season 10, Episode 23
I need to rub my genitals
on their PROTOTYPE.
The Big Bang Theory Season 9, Episode 19
we've put a lot of thought and effort
into this current PROTOTYPE.
The Big Bang Theory Season 10, Episode 23