![If Sheldon's testosterone dipped,
he'd become a butterfly.
If Sheldon's testosterone dipped,
he'd become a butterfly.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
If Sheldon's testosterone dipped,
he'd become a BUTTERFLY.
The Big Bang Theory Season 9, Episode 21
![I'm a butterfly.
I'm a butterfly.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
I'm a BUTTERFLY.
The Big Bang Theory Season 12, Episode 6
![I ate a butterfly.
I ate a butterfly.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
I ate a BUTTERFLY.
The Big Bang Theory Season 5, Episode 18
![...I have burst forth
as the world's smartest butterfly.
...I have burst forth
as the world's smartest butterfly.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...I have burst forth
as the world's smartest BUTTERFLY.
The Big Bang Theory Season 8, Episode 1
![](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
"Look, Mommy-- a BUTTERFLY."
The Big Bang Theory Season 5, Episode 1