(SINGING)
Soft KITTY, warm KITTY
The Big Bang Theory Season 1, Episode 11
This is Hello Kitty.
The Big Bang Theory Season 3, Episode 6
♪ Soft KITTY, warm KITTY
The Big Bang Theory Season 12, Episode 19
Happy KITTY, sleepy KITTY
The Big Bang Theory Season 1, Episode 11
Warm KITTY
The Big Bang Theory Season 2, Episode 21