Episode Title:DiM / Just an Old Fashioned Lab Song... / Repairanoid.Episode Description:DiM: In a mostly dialogue-free episode, Dexter makes a trip to the hardware store to buy a new light bulb for his lab.
Just an Old Fashioned Lab Song...: Dexter reluctantly takes piano lessons from Professor Williams (Paul Williams), but when the Professor stumbles onto Dexter's lab, he discovers that Dexter has more musical talent than he thought.
Repairanoid: When an electrician comes to Dexter's house to repair a blown-out fuse, he accidentally stumbles onto his laboratory, and Dexter enlists him to repair the lab.