since the INVENTION
of the washcloth.
The Big Bang Theory Season 5, Episode 2
- How is that a new INVENTION?
- I don't know,
The Big Bang Theory Season 9, Episode 16
We have an INVENTION
and wanna move forward.
The Big Bang Theory Season 9, Episode 18
Okay, how about this for an INVENTION?
The Big Bang Theory Season 9, Episode 16
Howard's INVENTION, Sheldon's math,
The Big Bang Theory Season 9, Episode 18