Happy kitty, SLEEPY kitty
The Big Bang Theory Season 4, Episode 2
Sleepy kitty.
The Big Bang Theory Season 2, Episode 21
Sleepy kitty
The Big Bang Theory Season 2, Episode 21
Happy kitty, SLEEPY kitty
Purr, purr, purr
The Big Bang Theory Season 10, Episode 20
♪ Happy kitty, SLEEPY kitty... ♪
The Big Bang Theory Season 5, Episode 6