11 Seisoen
252 Episode
Happy Days - Season 4
- Jaar: 1984
- Land: United States of America
- Genre: Comedy
- Studio: ABC
- Sleutelwoord: sitcom, 1950s
- Direkteur: Garry Marshall
- Gooi: Henry Winkler, Tom Bosley, Marion Ross, Anson Williams, Scott Baio, Ted McGinley