answer the door or should I
open it and say "AHA" again?
The Big Bang Theory Season 7, Episode 2
Aha. There you go.
Breaking Bad Season 2, Episode 10
Aha!
The Big Bang Theory Season 7, Episode 2
Aha.
The Big Bang Theory Season 5, Episode 4
A-ha! You are upset.
The Big Bang Theory Season 10, Episode 20