5.6 The War with Grandpa (2020) Movie Download & Watch Online Aug. 27, 2020 The War with Grandpa (2020) Movie Download & Watch Online IMDb: 5.6 2020 98 min 119 views Peter is thrilled that his Grandpa is coming to live with his family. That is, until Grandpa moves into Peter’s room, forcing him upstairs ... ComedyFamily