Chibi-Robo!

Chibi-Robo is an energetic, four-inch-tall, self-charging--he can plug himself in--helper robot built by the Citrusoft company to aid in completing the toughest of household chores. Always humble and soft-spoken, he constantly finds himself caught up in exciting adventures and bizarre situations. He's a pint-sized hero with a big heart...and one day he just might save the world.