The War with Grandpa
- Joer: 2020
- Land: United States of America
- Genre: Comedy, Family
- Studio: Marro Films, EFO Films, Tri G, West Madison Entertainment
- Schlësselwuert: friendship, birthday, grandfather, teenage girl, family, family conflict, attic, changing room, resentment, duringcreditsstinger
- Direkter: Tim Hill
- Besetzung: Robert De Niro, Uma Thurman, Rob Riggle, Oakes Fegley, Laura Marano, Cheech Marin