Homer Defined

Season 3, Episode 40

During a near-fatal meltdown at the Springfield Nuclear Power Plant, Homer frantically presses buttons on his console until he hits the right combination and saves the day. Homer becomes a hero even though he realizes in his heart that what he did was a fluke. Meanwhile, Bart's friendship with Milhouse has changed when Luann won't let him play with Bart anymore because she says that Bart is a bad influence on her son and has banned Milhouse from seeing Bart.