Did anyone see how he DID it?
The Big Bang Theory Season 1, Episode 12
that you'd be his enemy
if he DID this show?
The Big Bang Theory Season 11, Episode 15
So DID you spend last night hearing
about this silly parking-space fight too?
The Big Bang Theory Season 6, Episode 9
I DID have a great time.
The Big Bang Theory Season 5, Episode 3
Did you at least save
it for the tooth fairy?
The Big Bang Theory Season 12, Episode 23