
Happy KITTY, sleepy KITTY
The Big Bang Theory Season 4, Episode 2

♪ Happy KITTY, sleepy KITTY... ♪
The Big Bang Theory Season 5, Episode 6

Sleepy KITTY.
The Big Bang Theory Season 2, Episode 21

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

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