We both know that's
your KOALA face.
The Big Bang Theory Season 5, Episode 12
She knows my KOALA face.
The Big Bang Theory Season 5, Episode 12
Was that the imaginary
talking KOALA?
The Big Bang Theory Season 12, Episode 4
of a KOALA and an otter
The Big Bang Theory Season 7, Episode 10
Yeah, so did the KOALA.
The Big Bang Theory Season 12, Episode 4