You do make a cute ELF.
The Big Bang Theory Season 10, Episode 12
And what are you supposed to be,
an ELF?
The Big Bang Theory Season 1, Episode 6
Don't ask me, a little ELF did it. Ha, ha.
The Big Bang Theory Season 6, Episode 6
What an ELF I would have made.
The Big Bang Theory Season 4, Episode 20
and left an ELF costume
in my locker.
The Big Bang Theory Season 5, Episode 11