A BUTTERFLY could've gotten
himself home from Arizona.
The Big Bang Theory Season 8, Episode 1
...I have burst forth
as the world's smartest BUTTERFLY.
The Big Bang Theory Season 8, Episode 1
I ate a BUTTERFLY.
The Big Bang Theory Season 5, Episode 18
"Look, Mommy-- a BUTTERFLY."
The Big Bang Theory Season 5, Episode 1
That's what you said about the
BUTTERFLY pavilion at the zoo.
The Big Bang Theory Season 12, Episode 6