Richie is forced into being a disc jockey at a local radio station when one there suddenly quits. His boss informs him that he has the potential to become the next Wolfman Jack, and Richie begins to develop an inflated ego and neglect his friends.

Richie, Fonzie, Potsie, and Ralph receive notices from the army to report for physicals.

Fonzie takes his screen test with Richie as his reading partner. The director loves Fonzie, but the studio is more impressed with Richie and offers him a contract.

After hearing from a former employee about the wonders of television advertising, Howard thinks it will help his hardware store. He hires someone to handle the advertisement who guarantees a 40 percent increase in business in exchange for complete control of the project.

Fonzie comes down with a terrible toothache but refuses to see a dentist. Meanwhile, Howard is upset about Joanie's choice of attire for a wedding she's attending.