Although the fact was later debunked, what supposedly increased by 500% after Fonzie famously promoted it in a 1977 episode of the series?

In the episode called "Hard Cover," Fonzie takes Richie to the library to meet women, but in typical 1970s sitcom fashion, ends up promoting something good: reading and using the library to check out books.

Asked by Tom Cohen · Last updated 5 years ago · 1K views