You can see the MATRIX, can't you?
The Big Bang Theory Season 1, Episode 12
the calculation
of nuclear MATRIX elements.
The Big Bang Theory Season 7, Episode 20
I'm in the MATRIX, Leonard;
I see everything.
The Big Bang Theory Season 5, Episode 10
He recommended that I go see
the third Matrix movie...
The Big Bang Theory Season 4, Episode 7
I haven't seen him this stuck since he
tried to figure out the third Matrix movie.
The Big Bang Theory Season 3, Episode 14