Subject to entropy,
decay and eventual death.
The Big Bang Theory Season 4, Episode 3
Now, can we please change the SUBJECT?
The Big Bang Theory Season 6, Episode 1
just maybe you can help
me change the SUBJECT.
The Big Bang Theory Season 11, Episode 12
Although how we got
onto the SUBJECT of you is baffling.
The Big Bang Theory Season 3, Episode 11
So that's all I was to you,
a-a test SUBJECT?
The Big Bang Theory Season 12, Episode 17