War with Grandpa

Release 2020

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Director: Tim Hill
Writers: Tom J. Astle, Matt Ember, Robert Kimmel Smith
Stars: Robert De Niro, Uma Thurman, Christopher Walken, Jane Seymour, Rob Riggle
IMDB: https://www.imdb.com/title/tt4532038/

Upset that he has to share the room he loves with his grandfather, Peter decides to declare war in an attempt to get it back.