
Of course, the IDEAL way
to conduct this experiment would be
The Big Bang Theory Season 10, Episode 4

The IDEAL setting is 72 degrees.
The Big Bang Theory Season 9, Episode 10

I know it's not IDEAL,
The Big Bang Theory Season 10, Episode 18

...of the never-to-be-realized
IDEAL family unit.
The Big Bang Theory Season 3, Episode 11

She's an IDEAL match.
Game of Thrones Season 3, Episode 2