The world is stunned when a group of time travelers arrive from the year 2051 to deliver an urgent message: Thirty years in the future, mankind is losing a global war against a deadly alien species. The only hope for survival is for soldiers and civilians from the present to be transported to the future and join the fight. Among those recruited is high school teacher and family man Dan Forester. Determined to save the world for his young daughter, Dan teams up with a brilliant scientist and his estranged father in a desperate quest to rewrite the fate of the planet.
Video game bad guy Ralph and fellow misfit Vanellope von Schweetz must risk it all by traveling to the World Wide Web in search of a replacement part to save Vanellope's video game, Sugar Rush. In way over their heads, Ralph and Vanellope rely on the citizens of the internet — the netizens — to help navigate their way, including an entrepreneur named Yesss, who is the head algorithm and the heart and soul of trend-making site BuzzzTube.
Following a ghost invasion of Manhattan, paranormal enthusiasts Erin Gilbert and Abby Yates, nuclear engineer Jillian Holtzmann, and subway worker Patty Tolan band together to stop the otherworldly threat.