The Happy Days of Garry Marshall
- Tahun: 2020
- Negara: United States of America
- Aliran: Dokumenter, Film TV
- Studio: Greengrass Productions
- Kata kunci: biography, filmmaking
- Direktur: John Scheinfeld
- Pemeran: Julie Andrews, Abigail Breslin, Yvette Nicole Brown, Pam Dawber, Michael Eisner, Hector Elizondo