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
Of course, the IDEAL way
to conduct this experiment would be
The Big Bang Theory Season 10, Episode 4
I know it's not IDEAL,
The Big Bang Theory Season 10, Episode 18
It wouldn’t be an IDEAL date, would it?
Money Heist Season 1, Episode 10