
I don't like to BRAG,
but, uh, you see, I'm kind of...
The Big Bang Theory Season 8, Episode 7

Not to BRAG, but
I'm an astronaut,
The Big Bang Theory Season 12, Episode 15

Yeah, not to BRAG, but
Amy's last birthday
The Big Bang Theory Season 11, Episode 16

but really trying to BRAG.
The Big Bang Theory Season 9, Episode 21

Well, I don't like to BRAG.
The Big Bang Theory Season 12, Episode 5