The War with Grandpa is an upcoming Comedy directed by Tim Hill and written Matt Ember "The War with Grandpa" Today is the birthday of the legendary actor Robert De Niro, who has left us a long list of mythical interpretations in films such as The Godfather II, Taxi Driver or The Cape of Fear. More recently we have been able to see him in The Irishman, by Martin Scorsese, and Joker, the movie about the Batman villain, but the actor also has plenty of record in the field of comedy and there he has returned with his new film. The War With Grandpa stars De Niro alongside Oakes Fegley in a film by director Tim Hill (The Spongebob Movie: Sponge on the Run), and will be released in theaters on September 18, 2020. The film is based on the popular children's fiction novel by Robert Kimmel Smith.
The story is about a grandfather and grandson who were once close, but who face each other once the old man moves in and has to share a room with the boy. He will stop at nothing to get his room back, plotting pranks with friends to expel his grandfather, but he will respond with his own ideas to discourage the boys. Also starring Fegley is Christopher Walken, Uma Thurman, Laura Marano, Rob Riggle, Cheech Marin, and Jane Seymour. The War With Grandpa was written by Matt Ember and Tom Astle and features Marano's original song Point of War.
Principal photography commenced on March 10, 2019 in Los Angeles, United States and concluded on July 15, 2019. The film is set for release on October 9, 2020.