I think what President Siebert
is trying to say
The Big Bang Theory Season 12, Episode 21
Hello, President Siebert.
The Big Bang Theory Season 7, Episode 10
President Siebert, how much
do you know about physics?
The Big Bang Theory Season 12, Episode 5
and tomorrow I'm gonna
tell President Siebert
The Big Bang Theory Season 12, Episode 20
Oh, President Siebert,
The Big Bang Theory Season 5, Episode 16