When I was in
KINDERGARTEN,
The Big Bang Theory Season 5, Episode 16
Excuse me, I've been drafting contracts
since KINDERGARTEN.
The Big Bang Theory Season 9, Episode 18
My mother made me wear rubber gloves
to KINDERGARTEN...
The Big Bang Theory Season 3, Episode 5
It's not my fault I'm bad at sharing,
I skipped KINDERGARTEN.
The Big Bang Theory Season 10, Episode 10
In KINDERGARTEN,
The Big Bang Theory Season 5, Episode 1