
- I have a GIRLFRIEND now.
- Hey. Good for you.
The Big Bang Theory Season 4, Episode 6

I hear that Leonard
has a new GIRLFRIEND.
The Big Bang Theory Season 5, Episode 6

- You know my GIRLFRIEND, Bernadette.
- Yeah. Hey.
The Big Bang Theory Season 3, Episode 10

Being your GIRLFRIEND is so challenging.
The Big Bang Theory Season 8, Episode 24

I have to defend my GIRLFRIEND to you.
The Big Bang Theory Season 9, Episode 14