
♪ Soft KITTY, warm KITTY
The Big Bang Theory Season 12, Episode 24

Sing "Soft Kitty."
The Big Bang Theory Season 2, Episode 21

Really? You want me to sing "Soft Kitty"
to a computer monitor?
The Big Bang Theory Season 4, Episode 2

Softy KITTY, warm KITTY
The Big Bang Theory Season 4, Episode 2

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