Director Tim Hill
Writer Tom J. Astle (screenplay by), Matt Ember (screenplay by), Robert Kimmel Smith (based on the book "The War with Grandpa" by)
Stars Robert De Niro, Uma Thurman, Rob Riggle, Oakes Fegley
Awards 1 win.
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.