Mr. Feeny says, "They're $18, and they're socks! I'm a teacher, not a heart surgeon!" William Daniels previously played the heart surgeon Dr. Mark Craig in St. Elsewhere (1982). William Russ (Alan Matthews) played his patient Patrick O'Casey in Time Heals: Part 1 (1986) and Time Heals: Part 2 (1986).
When Alan and Eric go to the Career Fair, a salesman sells them a seemingly ridiculous product called "Poo-pourri" that is supposed to "deodorize, sanitize and glamorize." A product exists in real life, called "Poo-pourri," which is sprayed directly into the toilet before bowel movements to prevent odor.
While Shawn is teaching Cory to be poor, Shawn revealed (since moving out from Mr. Turner's place and back in with his dad) he regularly doesn't have three meals a day, indoor plumbing, and has to sleep outside multiple times a week.
The man who is pitching Poo-pouri says that if everyone in America bought just 1 can, it would make over $40 billion. Even if he's talking raw income instead of profit and every man, woman, child, and baby bought a can, they would need to sell for around $150 a can to reach $40 billion.