Movies ¦ Entertainment ¦ Rich Movies on Instagram: "🎬 The War with Grandpa 👴 (2020) 🎥 Comedy • Family 🎞️ Robert De Niro is Grandpa who moves in with his family — and takes over his grandson Peter’s room, banishing the kid to the creepy attic. Peter declares all-out war with help from his friends: booby traps, pranks, and escalating schemes to reclaim his space. But Grandpa’s no pushover — he fights back hard. Classic family comedy chaos with the iconic line “Don’t start nothin’, won’t be not