Happy KITTY
The Big Bang Theory Season 2, Episode 21
This is Hello Kitty.
The Big Bang Theory Season 3, Episode 6
Happy KITTY, sleepy KITTY
The Big Bang Theory Season 1, Episode 11
♪ Soft KITTY, warm KITTY
The Big Bang Theory Season 12, Episode 19
Really? You want me to sing "Soft Kitty"
to a computer monitor?
The Big Bang Theory Season 4, Episode 2