Season 4, Episode 5 - ""The F Word" (a.k.a. "Fail")"
31 March, 2000
Mr. O'Neill tells his students to try to fail at something they are good at, to achieve personal growth. Daria and Mack fail (therefore succeeding), but Brittany and Kevin succeed - Brittany gets alienated by her fellow cheerleaders and Kevin gets kicked off the football team.

