When aliens intercept video feeds of classic arcade games and misinterpret them as a declaration of war, they attack Earth, using the games as models. Knowing that he must employ a similar strategy, President Will Cooper (Kevin James) recruits his childhood pal, former video-game champ and home-theater installer Sam Brenner (Adam Sandler), to lead a team of old-school arcade players (Peter Dinklage, Josh Gad) and a military specialist (Michelle Monaghan) to save the planet.
When four people teleport to an alternate universe, which alters their physical form and grants them new abilities, they must learn to harness their abilities and work together as a team to save the Earth from a familiar enemy.
Riley (Kaitlyn Dias) is a happy, hockey-loving 11-year-old Midwestern girl, but her world turns upside-down when she and her parents move to San Francisco. Riley's emotions -- led by Joy (Amy Poehler) -- try to guide her through this difficult, life-changing event. However, the stress of the move brings Sadness (Phyllis Smith) to the forefront. When Joy and Sadness are inadvertently swept into the far reaches of Riley's mind, the only emotions left in Headquarters are Anger, Fear and Disgust.