The Simpsons (1989)
S13E09 Jaws Wired Shut
Episode Overview
After Homer injures his jaw by crashing into a newly erected statue in town, he finds himself with his mouth wired shut, leading to an unexpected transformation into a more attentive listener. However, once the wires are removed, he surprisingly maintains his newfound quiet demeanor, leaving Marge feeling bored and craving excitement in their lives.