
Don't try to change the SUBJECT.
The Big Bang Theory Season 6, Episode 9

so it's probably a good SUBJECT
to avoid if at all possible.
Game of Thrones Season 6, Episode 6

Is it me or are you purposely
changing the SUBJECT?
The Big Bang Theory Season 10, Episode 7

I know it's
a sensitive SUBJECT,
The Big Bang Theory Season 7, Episode 17

Oh, hey, on a related SUBJECT...
The Big Bang Theory Season 3, Episode 6