Sherman, a young boy, misuses a time machine made by his scientist father Mr. Peabody and causes the world history to go haywire. It is now up to Mr. Peabody to rescue his son and the world.
Artie and Diane Decker agree to look after their three grandchildren when their type-A helicopter parents go out of town for work; Problems arise when the kids' 21st-century behavior collides with their grandparents' old-school methods.