The Simpsons (1989): Season 24, Episode 15

24 - 15: Black-eyed, Please

Flanders becomes jealous when his laid-back parents start to prefer Homer's company over his and he faces unbearable guilt after punching Homer in the eye, as he desperately tries to reconcile with him. Meanwhile, Lisa is distressed by her new substitute teacher, who bullies her for no apparent reason. Blackboard: 'Sorry I broke the blackboard'.