My mom even made me
a CELEBRATION pie.
The Big Bang Theory Season 3, Episode 1
...wouldn't a more appropriate
CELEBRATION...
The Big Bang Theory Season 3, Episode 15
I suppose we can try
to make it a CELEBRATION...
The Big Bang Theory Season 8, Episode 9
Are you saying
that you think a CELEBRATION pie...
The Big Bang Theory Season 3, Episode 1
and now it is time
to complete your birthday CELEBRATION.
The Big Bang Theory Season 10, Episode 11