When Pete's (Oakes Fegley) grandmother dies, his newly widowed grandfather (Robert De Niro) comes to live with them. Unfortunately, that means Pete has to share his room with the elderly man. In order to get his room back, Pete starts pulling tricks on his grandpa, which turns into a war when his grandpa fights back.
Based on the popular children's novel by Robert Kimmel Smith.
Studio: Entertainment One
Producer(s): Phillip Glasser, Marvin Peart
Screenplay: Lisa Addario, Tom J. Astle, Joe Syracuse, Matt Ember