![Happy kitty, sleepy...
Happy kitty, sleepy...](https://content2.mcqstudy.com/ss/tbbt-4-2-00:20:06.890.jpeg)
Happy KITTY, sleepy...
The Big Bang Theory Season 4, Episode 2
![Warm kitty
Warm kitty](https://content2.mcqstudy.com/ss/tbbt-2-21-00:20:08.372.jpeg)
Warm KITTY
The Big Bang Theory Season 2, Episode 21
![Warm kitty
Warm kitty](https://content2.mcqstudy.com/ss/tbbt-2-21-00:19:45.474.jpeg)
Warm KITTY
The Big Bang Theory Season 2, Episode 21
![I sing you I sing you](https://content2.mcqstudy.com/ss/tbbt-5-18-00:18:26.936.jpeg)
I sing you "Soft Kitty"
The Big Bang Theory Season 5, Episode 18
![♪ Happy kitty...
♪ Happy kitty...](https://content2.mcqstudy.com/ss/tbbt-12-24-00:06:42.445.jpeg)
♪ Happy KITTY...
The Big Bang Theory Season 12, Episode 24