The Wonder Years - Season 3 - Eps 20: Goodbye
When Kevin thinks the best he can do in math is a B, his teacher Mr. Collins sets him the task of getting an A and even offers him private lessons. When Mr. Collins suddenly pulls out of the lessons shortly before the exams, Kevin feels betrayed and fills his exam with nonsensical answers.
About The Wonder Years

Title: The Wonder Years
First Air Date: 1988-01-31
Last Air Date: 1993-05-12
Status: Ended
Rating: 8.3/10 (from 1017 votes)
Language: EN
Seasons: 7
Total Episodes: 115
Network: ABC
Genres: Comedy, Drama, Family
Production Companies: The Black/Marlens Company, New World Television
Synopsis
The story of Kevin Arnold facing the trials and tribulations of youth while growing up during the 1960s and 70s. Told through narration from an adult Kevin, Kevin faces the difficulties of maintaining relationships and friendships on his enthralling journey into adulthood.
Cast

Fred Savage
Kevin Arnold

Dan Lauria
John 'Jack' Arnold

Alley Mills
Norma Arnold

Jason Hervey
Wayne Arnold

Danica McKellar
Gwendolyn 'Winnie' Cooper

Josh Saviano
Paul Joshua Pfeiffer

Daniel Stern
Narrator (Adult Kevin)