The Happy Days of Garry Marshall
- Taon: 2020
- Bansa: United States of America
- Genre: Documentary, TV Movie
- Studio: Greengrass Productions
- Keyword: biography, filmmaking
- Direktor: John Scheinfeld
- Cast: Julie Andrews, Abigail Breslin, Yvette Nicole Brown, Pam Dawber, Michael Eisner, Hector Elizondo