You have no IDEA. They're everywhere.
The Big Bang Theory Season 3, Episode 4
Bad IDEA.
The Big Bang Theory Season 3, Episode 13
I'm sorry.
I don't think that's a good IDEA.
The Big Bang Theory Season 9, Episode 18
Oh, my God, I had no IDEA.
The Big Bang Theory Season 6, Episode 1
No IDEA.
Money Heist Season 3, Episode 7