I have been singing this song in my head for days! Rachel and I are obsessed with The Big Bang Theory. We watch it every night, at least once. I have a nerd crush on Sheldon...
Here are the lyrics so you can sign along with the link above
Soft Kitty, Warm Kitty, Little ball of fur;
Happy Kitty, Sleepy Kitty, Purr Purr Pur.