...a working PROTOTYPE of the Mars Rover.
The Big Bang Theory Season 8, Episode 3
that allowed us to get the size
of the PROTOTYPE down to the target specs.
The Big Bang Theory Season 10, Episode 15
helping to build a PROTOTYPE
for a high-tech guidance system.
The Big Bang Theory Season 9, Episode 19
All right, I think we've got a PROTOTYPE
ready to test. Hand me that Tupperware.
The Big Bang Theory Season 2, Episode 22
but we did kinda have fun
working on the PROTOTYPE.
The Big Bang Theory Season 9, Episode 19