
Aha!
Game of Thrones Season 3, Episode 2

Aha.
The Big Bang Theory Season 5, Episode 4

Aha!
The Big Bang Theory Season 6, Episode 3

A-ha! You are upset.
The Big Bang Theory Season 10, Episode 20

answer the door or should I
open it and say "AHA" again?
The Big Bang Theory Season 7, Episode 2