
helping to build a PROTOTYPE
for a high-tech guidance system.
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 15

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

Penny says they're having fun
working on the PROTOTYPE.
The Big Bang Theory Season 9, Episode 19