An EQUATION.
The Big Bang Theory Season 11, Episode 14
in the same EQUATION.
The Big Bang Theory Season 10, Episode 15
Now, when I get to this EQUATION here,
really let me have it.
The Big Bang Theory Season 10, Episode 19
Oh. Really?
Are you familiar with the Drake EQUATION?
The Big Bang Theory Season 2, Episode 20
Solve the EQUATION.
The Big Bang Theory Season 1, Episode 13