The War with Grandpa

The War with Grandpa is a 2020 American family comedy movie directed by Tim Hill, from a screenplay by Tom J. Astle and Matt Ember. It is based on a book of the same name by Robert Kimmel Smith.
It stars Robert De Niro, Uma Thurman, Rob Riggle, Oakes Fegley, Laura Marano, Cheech Marin, Jane Seymour, and Christopher Walken.
The movie is about a young boy who works to get his grandfather to move out of his room after he moves in with his family.
The movie was released in the United States on October 9, 2020 by 101 Studios. It received generally negative reviews from critics.