The episode "Buffalo Gals" was banned after its first airing due to sexual references and lesbian stereotypes. The episode involved a pack of biker girls whom wore buffalo hats (hence the name) busting into Cow and Chicken's house and tearing up the place. The leader takes a liking to Cow and they kidnap her, which means Chicken must go to her rescue. See more
[Chicken thinks he should miss school, because he has to take care of his new egg
I don't want you skipping school because of your "Being in the family way", and all.