But the GIBBON doesn't know
what it's categorized as.
The Big Bang Theory Season 8, Episode 8
Why else would you grow
a pancreas in a teenaged GIBBON?
The Big Bang Theory Season 2, Episode 15
It'd be more hygienic
if they had a plague-infested GIBBON...
The Big Bang Theory Season 2, Episode 4
The GIBBON is the only member
of the ape family not classified as a great ape.
The Big Bang Theory Season 8, Episode 8
...just to single out the poor GIBBON
as the weird kid on the playground.
The Big Bang Theory Season 8, Episode 8