Does anyone remember a show that had a little short guy, that carried a big bag (Mary Poppins type)? He always came in on the credits in a hot air balloon. I think he was a detective or PI. I also think that an older lady lived with him that was either his sister or friend.

Little person detective who fought crime with
His bag of tricks

The Wizard

view intro (http://www.youtube.com/watch?v=CvyzTMovFKY)