Waylon Smithers appeared an episode of The Simpsons that originally aired on January 21, 1990, and that has Homer promoted to what position?
Homer's Odyssey (The Simpsons): "Homer's Odyssey" is the third episode of the first season of "The Simpsons". Homer's Odyssey (The Simpsons):  It originally aired on the Fox network in the United States on January 21, 1990. Homer's Odyssey (The Simpsons):  In this episode, Homer becomes a crusader for citizen safety in Springfield, and is promoted to his current position as Nuclear Safety Inspector for the entire power plant.
i don't know