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

Happy KITTY
The Big Bang Theory Season 2, Episode 21

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

♪ Soft KITTY, warm KITTY,
little ball of fur... ♪
The Big Bang Theory Season 5, Episode 6

Happy KITTY, sleepy KITTY
Purr, purr, purr
The Big Bang Theory Season 10, Episode 20