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