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
I don't know, they take
the INVENTION away and I get nothing.
The Big Bang Theory Season 10, Episode 1
Worst toy INVENTION ever.
The Big Bang Theory Season 12, Episode 24
Howard's INVENTION, Sheldon's math,
The Big Bang Theory Season 9, Episode 18