When Duffman undergoes hip replacement surgery and retires, the company sets up a reality show competition to find his replacement. Homer wins the competition, and because the job requires him to stay sober, he learns that beer isn't as necessary as he thought to have a good time.

When Homer gets an old film roll developed, the family takes a trip down memory lane to see the origins of how Bart and Lisa first started fighting with each other. Blackboard: 'I will not pay my sister to do my punishment'.