Worst toy INVENTION ever.
The Big Bang Theory Season 12, Episode 24
So, maybe they just wanna give you
a lot of money for your INVENTION.
The Big Bang Theory Season 9, Episode 24
We have an INVENTION
and wanna move forward.
The Big Bang Theory Season 9, Episode 18
since the INVENTION
of the washcloth.
The Big Bang Theory Season 5, Episode 2
Okay, how about this for an INVENTION?
The Big Bang Theory Season 9, Episode 16