
You went to President Seibert's house
in the middle of the night?
The Big Bang Theory Season 2, Episode 23

President Seibert, I don't
know why you're yelling.
The Big Bang Theory Season 7, Episode 10

and tell President Siebert
this is what I want to do.
The Big Bang Theory Season 12, Episode 20

Ignore him,
President Siebert.
The Big Bang Theory Season 5, Episode 17

Odd. President Seibert posed
the exact same question.
The Big Bang Theory Season 2, Episode 23