The Andy Griffith Show Season 4 Episode 8
Opie finally gets a good grade in math, and Andy is so proud he tells everyone in town. But when Opie’s teacher tells him she made a mistake and his grade is actually an F, he goes home to tell Andy the bad news, only to find Andy has bought him a shiny new bicycle.
Serie: The Andy Griffith Show
Episode Title: Opie's Ill-Gotten Gain
Air Date: 1963-11-18