
♪ Little ball of FUR... ♪
The Big Bang Theory Season 5, Episode 6

But I realize
they're gluing FUR everywhere,
The Big Bang Theory Season 7, Episode 21

Better than watching a guy in a FUR cloak
ride a girl's bike?
The Big Bang Theory Season 9, Episode 21

♪ Soft kitty, warm kitty,
little ball of FUR... ♪
The Big Bang Theory Season 5, Episode 6

♪ Little ball of FUR...
The Big Bang Theory Season 12, Episode 19