You may also be looking for the episode "Rosey the Robot".
Rosey Uniqua Jetson (later spelled Rosie) is a character on The Jetsons. Voiced by Jean Vander Pyl, she first appeared on the premiere episode, "Rosey the Robot".
She is a robot and the maid and housekeeper of the Jetson family. She is a model XB-500, an older model, but the only one U-Rent A Maid had that Jane could afford.
- Beginning with Season Two the spelling of "Rosey"'s name inexplicably changes to "Rosie." In the comics, the spelling did not change until 1995.