![HOWARD & BERNADETTE [SINGING]:
Happy birthday to you
HOWARD & BERNADETTE [SINGING]:
Happy birthday to you](https://content2.mcqstudy.com/ss/tbbt-8-24-00:14:27.327.jpeg)
HOWARD & BERNADETTE [SINGING]:
Happy BIRTHDAY to you
The Big Bang Theory Season 8, Episode 24

- Why not?
- I don't celebrate my BIRTHDAY.
The Big Bang Theory Season 1, Episode 16

You know, come on, it's your BIRTHDAY,
I can soldier through this.
The Big Bang Theory Season 10, Episode 11

Ooh, happy BIRTHDAY to me. (CHUCKLES)
The Big Bang Theory Season 10, Episode 11

and now it is time
to complete your BIRTHDAY celebration.
The Big Bang Theory Season 10, Episode 11