
in the same EQUATION.
The Big Bang Theory Season 10, Episode 15

out of the EQUATION.
Westworld Season 3, Episode 8

Solve the EQUATION.
The Big Bang Theory Season 1, Episode 13

Oh. Really?
Are you familiar with the Drake EQUATION?
The Big Bang Theory Season 2, Episode 20

An EQUATION.
The Big Bang Theory Season 11, Episode 14