Family Ties - Season 2 - Eps 20: The Graduate
Alex is so sure that he will be named valedictorian of his class that he can't cope with the thought of being defeated by a girl especially his girl so his budding romance with Rachel is threatened when she wins the honor. The dismayed and shattered Alex, who even memorized his valedictory speech, feels cheated out of an honor he felt was his destiny all thru high school and he precedes to sabotage his relationship with Rachel.
About Family Ties

Title: Family Ties
First Air Date: 1982-09-22
Last Air Date: 1989-05-14
Status: Ended
Rating: 7.2/10 (from 235 votes)
Language: EN
Seasons: 8
Total Episodes: 168
Network: NBC
Genres: Comedy, Drama, Family
Production Companies: Ubu Productions, Paramount Television, NBC Studios
Synopsis
Former 1960s flower children Steven and Elyse Keaton raise their conservative son Alex, daughters Mallory and Jennifer, and later, youngest child Andrew.
Cast

Meredith Baxter
Elyse Keaton

Michael Gross
Steven Keaton

Michael J. Fox
Alex P. Keaton

Justine Bateman
Mallory Keaton

Tina Yothers
Jennifer Keaton

Brian Bonsall
Andy Keaton