♪ Sleepy kitty... No.
The Big Bang Theory Season 12, Episode 24
Happy kitty, SLEEPY kitty
Purr, purr, purr
The Big Bang Theory Season 10, Episode 20
We were. The kids
got SLEEPY.
The Big Bang Theory Season 12, Episode 19
♪ Happy kitty, SLEEPY kitty... ♪
The Big Bang Theory Season 5, Episode 6
Happy kitty, SLEEPY kitty
The Big Bang Theory Season 1, Episode 11