Worst toy INVENTION ever.
The Big Bang Theory Season 12, Episode 24
to our INVENTION
are as valuable as my own.
The Big Bang Theory Season 9, Episode 18
since the INVENTION
of the washcloth.
The Big Bang Theory Season 5, Episode 2
We have an INVENTION
and wanna move forward.
The Big Bang Theory Season 9, Episode 18
Howard's INVENTION, Sheldon's math,
The Big Bang Theory Season 9, Episode 18