
You can't compete with me
on an INTELLECTUAL level...
The Big Bang Theory Season 1, Episode 6

I have a brother and sister
whose combined INTELLECTUAL wattage
The Big Bang Theory Season 10, Episode 12

...I have to give up everything I believe in?
My INTELLECTUAL integrity?
The Big Bang Theory Season 3, Episode 12

My relationship with Amy
was purely INTELLECTUAL.
The Big Bang Theory Season 4, Episode 3

You're just clinging to it
out of INTELLECTUAL stubbornness.
The Big Bang Theory Season 6, Episode 9