Here's a crazy IDEA, Ma: answer it!
The Big Bang Theory Season 2, Episode 12
You know, you're exhausting!
I knew working together was a bad IDEA.
The Big Bang Theory Season 10, Episode 19
She and I are both a little awkward in social
situations so this seemed like a good IDEA.
The Big Bang Theory Season 6, Episode 18
You know, there's a foundational IDEA
in string theory that...
The Big Bang Theory Season 6, Episode 5
Lots of people also didn't have that IDEA.
The Big Bang Theory Season 8, Episode 18