The War with Grandpa (2020)
Genres: Comedy, Family
Cast: Robert De Niro, Uma Thurman, Rob Riggle, Oakes Fegley, Cheech Marin, Jane Seymour, Christopher Walken
The War with Grandpa is a 2020 American family comedy film directed by Tim Hill, from a screenplay by Tom J. Astle and Matt Ember, based upon the novel of the same name by Robert Kimmel Smith. The film is about a young boy named Peter who fights in a prank war with his grandfather to get his grandfather to move out of his room after he moves in with his family. Uma Thurman, Rob Riggle, Laura Marano, Cheech Marin, Jane Seymour, and Christopher Walken also star.