
We'll throw Leonard a kickass
surprise party for his BIRTHDAY.
The Big Bang Theory Season 1, Episode 16

to Halley's BIRTHDAY.
That wasn't cool.
The Big Bang Theory Season 11, Episode 11

It's for her surprise
frontier BIRTHDAY dinner.
The Big Bang Theory Season 11, Episode 11

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

I wouldn't mind
a piece of BIRTHDAY cake,
The Big Bang Theory Season 5, Episode 19