Sabrina: The Animated Series S01 E41 Driver Ed

Hilda is the worst driver around and Sabrina wants her to drive her to this concert, so she uses the spookie jar to conjure up a spell to get a handsome driving teacher to make Hilda learn. Soon Zelda learns about him and the two start competing for Ed's affections. In the end Hilda gets her liscence and they both win his heart until Ed conjures back into his original form: a dog!