Homer throws out Santa's Little Helper for not saving him from a fire, but soon the dog becomes Duff's new mascot.

Bart has a new accomplice and best friend when Homer is hypnotized at the circus and believes he is a young boy again.

When Duffman (guest voice Stacy Keach) 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 the Retirement Castle and the V.A. Hospital can’t solve Grampa’s health issues, the Simpsons decide to take a family trip to Cuba to get him cheap medical care.