11 Tymor
252 Pennod
Happy Days - Season 3
- Blwyddyn: 1984
- Gwlad: United States of America
- Genre: Comedy
- Stiwdio: ABC
- Allweddair: sitcom, 1950s
- Cyfarwyddwr: Garry Marshall
- Cast: Henry Winkler, Tom Bosley, Marion Ross, Anson Williams, Scott Baio, Ted McGinley