Happy kitty, SLEEPY kitty
The Big Bang Theory Season 1, Episode 11
Happy kitty, SLEEPY kitty
Purr, purr, purr
The Big Bang Theory Season 10, Episode 20
Okay, I'm SLEEPY now. Get out.
The Big Bang Theory Season 2, Episode 21
♪ Sleepy kitty... No.
The Big Bang Theory Season 12, Episode 24
Sleepy kitty...
The Big Bang Theory Season 2, Episode 21