...is your IDEAL mate.
The Big Bang Theory Season 3, Episode 12
So listen,
would you describe your IDEAL vacation...
The Big Bang Theory Season 2, Episode 3
I know it's not IDEAL,
The Big Bang Theory Season 10, Episode 18
So the IDEAL interstellar lingua franca
would be haptic.
The Big Bang Theory Season 8, Episode 21
...of the never-to-be-realized
IDEAL family unit.
The Big Bang Theory Season 3, Episode 11