This episode marks the first appearance of Urkel's signature Isetta, which became a staple of the series.
In a secondary story, Harriette begins taking piano lessons from a handsome young instructor. This sparks intense jealousy in Carl, further adding to the stress he is trying to manage. Episode Legacy [S4E3] Driving Carl Crazy
Steve begs Carl, a professional police officer, to teach him how to drive. Carl reluctantly agrees, but Steve’s clumsiness and lack of skill quickly push Carl toward a "Rage Breaking Point". This episode marks the first appearance of Urkel's