
it's still your BIRTHDAY.
The Big Bang Theory Season 11, Episode 11

Well, you're spending
your BIRTHDAY with Sheldon.
The Big Bang Theory Season 9, Episode 11

I had no idea it was your BIRTHDAY.
I forgot.
The Big Bang Theory Season 1, Episode 16

if you will just move
your BIRTHDAY party
The Big Bang Theory Season 11, Episode 17

- You don't know everything about me.
- Your BIRTHDAY is December second.
The Big Bang Theory Season 9, Episode 9