
Happy BIRTHDAY, Sherman.
The Big Bang Theory Season 12, Episode 24

By your third BIRTHDAY, you had memorized
over a thousand different kinds of trains.
The Big Bang Theory Season 10, Episode 12

Amy's BIRTHDAY present
will be my genitals.
The Big Bang Theory Season 9, Episode 11

you use your BIRTHDAY
as a password
The Big Bang Theory Season 7, Episode 7

I look forward to your next
BIRTHDAY when we do it again.
The Big Bang Theory Season 9, Episode 11