
No, I will always
sing you "Soft Kitty."
The Big Bang Theory Season 5, Episode 6

This is Hello Kitty.
The Big Bang Theory Season 3, Episode 6

Happy KITTY
The Big Bang Theory Season 2, Episode 21

Happy KITTY, sleepy KITTY
The Big Bang Theory Season 1, Episode 11

Sleepy KITTY.
The Big Bang Theory Season 12, Episode 24