
Multiplied by a MATRIX
of negative I comma zero...
The Big Bang Theory Season 5, Episode 7

...he said that Johnny Depp
was in The Matrix.
The Big Bang Theory Season 6, Episode 6

You can see the MATRIX, can't you?
The Big Bang Theory Season 1, Episode 12

I'm in the MATRIX, Leonard;
I see everything.
The Big Bang Theory Season 5, Episode 10