
...that threatens my INTELLECTUAL superiority.
The Big Bang Theory Season 8, Episode 2

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

They don't argue
or question my INTELLECTUAL authority.
The Big Bang Theory Season 4, Episode 3

...and since Howard and Bernadette are
married, INTELLECTUAL property in the letter...
The Big Bang Theory Season 6, Episode 19

It's got my bottomless
INTELLECTUAL curiosity
The Big Bang Theory Season 12, Episode 9