![Little ball of fur
Little ball of fur](https://content2.mcqstudy.com/ss/tbbt-4-2-00:20:18.771.jpeg)
Little ball of FUR
The Big Bang Theory Season 4, Episode 2
![Little ball of fur
Little ball of fur](https://content2.mcqstudy.com/ss/tbbt-2-21-00:19:48.477.jpeg)
Little ball of FUR
The Big Bang Theory Season 2, Episode 21
![Little ball of fur
Little ball of fur](https://content2.mcqstudy.com/ss/tbbt-1-11-00:17:25.626.jpeg)
Little ball of FUR
The Big Bang Theory Season 1, Episode 11
![But I realize
they're gluing fur everywhere,
But I realize
they're gluing fur everywhere,](https://content2.mcqstudy.com/ss/tbbt-7-21-00:00:11.058.jpeg)
But I realize
they're gluing FUR everywhere,
The Big Bang Theory Season 7, Episode 21
![(SINGING) Soft kitty, warm kitty
Little ball of fur
(SINGING) Soft kitty, warm kitty
Little ball of fur](https://content2.mcqstudy.com/ss/tbbt-10-20-00:17:53.448.jpeg)
(SINGING) Soft kitty, warm kitty
Little ball of FUR
The Big Bang Theory Season 10, Episode 20