Wait, and let him win?
The Big Bang Theory Season 5, Episode 17
Wait a minute. Did--
The Big Bang Theory Season 12, Episode 2
Wait, what?
The Big Bang Theory Season 11, Episode 17
No WAIT, that's the future Mrs. Wolowitz.
The Big Bang Theory Season 2, Episode 7
♪ Then nearly 14 billion years
ago expansion started... Wait! ♪
The Big Bang Theory Season 5, Episode 7