The friendly but forgetful blue tang fish, Dory, begins a search for her long-lost parents, and everyone learns a few things about the real meaning of family along the way. Dory is a wide-eyed, blue tang fish who suffers from memory loss every 10 seconds or so. The one thing she can remember is that she somehow became separated from her parents as a child. With help from her friends Nemo and Marlin, Dory embarks on an epic adventure to find them. Her journey brings her to the Marine Life Institute, a conservatory that houses diverse ocean species.

After his son is captured in the Great Barrier Reef and taken to Sydney, a timid clownfish sets out on a journey to bring him home. A clown fish named Marlin lives in the Great Barrier Reef loses his son, Nemo. After he ventures into the open sea, despite his father's constant warnings about many of the ocean's dangers. Nemo is abducted by a boat and netted up and sent to a dentist's office in Sydney. So, while Marlin ventures off to try to retrieve Nemo, Marlin meets a fish named Dory, a blue tang suffering from short-term memory loss. The companions travel a great distance, encountering various dangerous sea creatures such as sharks, anglerfish and jellyfish, in order to rescue Nemo from the dentist's office, which is situated by Sydney Harbor. While the two are doing this, Nemo and the other sea animals in the dentist's fish tank plot a way to return to Sydney Harbor to live their lives free again.

A misfit ant, looking for "warriors" to save his colony from greedy grasshoppers, recruits a group of bugs that turn out to be an inept circus troupe. At an annual pace, a huge colony of ants is forced to collect every piece of food that grows on their island for a group of menacing grasshoppers. But that all changes when a misfit inventor ant named Flik accidentally knocks over the offering pile thus forcing the grasshoppers' devious leader Hopper to force the ants to redo their gathering of food. Despite the fact that his friends don't believe him and desperate to help save the colony, Flik volunteers to go out into the world and search for a group of 'warrior' bugs. Instead, what he got was a talented group of circus performers. But when the grasshoppers return and take control of the island, Flik must prove himself a true hero before it's too late.

In the distant future, humans abandon Earth because there is too much trash on it. WALL-E, with habit of picking up everything he finds interesting, lives alone on the planet with a pet cockroach. He has quite a collection of things, from lighters to a working iPod and even a small ring box (without the ring). He even has the last living plant. When a spaceship comes to earth and drops a sleek and dangerous probe EVE to look for a living plant, WALL-E falls in love with her. WALL-E gives her the plant, which makes EVE go into sleep mode. When a spaceship comes to take EVE back, WALL-E too goes with her. What follows is an adventure onboard the Axiom, where people move on hovering chairs and get liquid food which they suck up through a straw. Due to laziness, they have become so fat that they are unable to move. Due to hastily given instructions given to it, auto, the autopilot it tries to get rid of the plant which compels WALL-E, EVE, the pilot and some malfunctioning robots to find a way to retrieve the plant and save the earth.