- Howard Cunningham: Chachi, what are you doing here?
- Charles 'Chachi' Arcola: [thinks of something quick] I'm here to take Joanie to school.
- [he actually just got out of hiding in Fonzie's apartment]
- Howard Cunningham: It's Saturday.
- Charles 'Chachi' Arcola: I'm early... Or am I late? Did you say it was Saturday?