"Barbie"

Ezra:  "Watch Barbie, please, Mama?"

Me: "Barbie?  Really?"

Ezra: "Please, Mama.  Watch Barbie!"

Me: "Okay..."

** Ezra points at the TV screen **

Ezra: "This Barbie."

Me:  "Oh.  You mean Barney."

Ezra: "Yay!  Barbie!"