In 1898, Sir Robert Beaumont (Tom Wilkinson), the primary financier of a railroad project in Tsavo, Kenya, is furious because the project is running behind schedule. He seeks out the expertise of John Henry Patterson (Val Kilmer), an Irish military engineer, to get the project back on track. Patterson travels from England to Tsavo, telling his wife, Helena, he will complete the project and be back in London for the birth of their son. He meets supervisors Angus Starling (Brian McCardie) and Samuel (John Kani), (the film's narrator), and the doctor, David Hawthorne (Bernard Hill). Hawthorne tells Patterson of a recent lion attack.
In London, circa 1897, a young mouse named Olivia Flaversham is celebrating her birthday with her toymaker father, Hiram. Suddenly, Fidget, a bat with a peg leg, barges in, and after a brief struggle, disappears with Hiram. Fidget takes Hiram to Professor Ratigan who commands him to create a clockwork robot which mimics the Queen of the Mice so Ratigan can rule England. Hiram initially refuses to participate in the scheme, but agrees when Ratigan threatens Olivia.
Alec Ramsey is aboard the steamer Drake off the coast of North Africa, where he sees a wild black stallion being forced into a makeshift stable and heavily restrained by ropes leading to his halter. Captivated by the horse, Alec later sneaks to the horse to feed him some sugar cubes, but he is caught by the horse's supposed owner, who tells him in Arabic to stay away from Shetan and shoves the boy away.
James Parker is a hunter in Africa, searching for a mythical "white ape". He is joined by his estranged daughter, Jane, after her mother's death. They discover the "white ape" is actually Tarzan, an uncivilized white man raised by apes living in the jungle. James continues to pursue Tarzan with the purpose of capturing him, dead or alive, and bringing him back to England.
On Christmas morning, 1909, in a quaint Midwestern town, Jim Dear gives his wife Darling an American cocker spaniel puppy which she names Lady. Lady enjoys a happy life with the couple and two local neighborhood dogs, Jock, a Scottish terrier, and Trusty, a bloodhound. Meanwhile, across town, a stray mutt named Tramp lives on his own, dining on scraps from Tony's restaurant and protecting his friends from the local dogcatcher. One day, Lady is saddened after her owners begin treating her rather coldly. Jock and Trusty visit her and determine that their change in behavior is due to Darling expecting a baby. While Jock and Trusty try to explain what a baby is, Tramp interrupts the conversation and offers his own thoughts on the matter, making Jock and Trusty take an immediate dislike to the stray and order him out of the yard. As Tramp leaves, he reminds Lady that "when the baby moves in, the dog moves out.
Willie Morris as an adult is looking back on his childhood in the early 1940s and how it was colored by his dearly beloved dog, a Jack Russell Terrier whom he had named Skip (Enzo). In the beginning, Willie (Frankie Muniz) is a lonely child with a gruff, proud father (Kevin Bacon) and a charismatic, talkative mother (Diane Lane), but he is an only child and small for his age with few friends. His one companion is a young man who lives next door, Dink Jenkins (Luke Wilson), who is the local sports hero in Mississippi. However, when Dink is drafted to go to war, Willie's mother decides to buy him a dog, against his father's wishes, in order that he should have some company.
Mia a 11 ans quand elle noue une relation hors du commun avec Charlie, un lionceau blanc né dans la ferme d'élevage de félins de ses parents en Afrique du Sud.
Oscar is the nickname given by the narrator (Tim Allen) to a young chimpanzee in his toddler years. He is part of a close-knit tribe of chimpanzees. They occupy a forest territory which is rich in native fruits, nuts, and figs, among other things. The chimps hunt small tree monkeys, and they also eat termites collected with primitive tools made from sticks. They also use rocks as tools to crack nuts. Oscar is tended by his mother, nicknamed Isha, and from her he begins learning many things about how to survive in the jungle. In the chaos of an attempted raid by a rival gang of chimpanzees led by 'Scar', Isha is injured and separated from the group and her son. As told by the narrator, Isha is most probably the victim of a nocturnal leopard.
In the late 19th Century, a young explorer named Jack Conroy arrives in Alaska from San Francisco and meets a musher named Skunker and his late father's buddy Alex Larson, a rugged guide who reluctantly agrees to take Jack to his father's claim. While on their journey, they are stalked by a large pack of wolves. While resting at a campfire at nightfall, a female wolf manages to lure one of the sled dogs (Digger) away from the group, another wolf appears and chases the dog into the woods, Skunker uses his ammunition to wound one wolf and gives chase to save his dog, but is killed and devoured by the rest of the pack. Later that night the wolves return but are scared off by Jack and Alex using burning branches. The following morning the wolves attack the two men, but they are saved when another sled team arrives with one of the men fatally shooting a female wolf, her pup (who is half dog) is left to fend for himself. Jack and Alex reach a town where they plan to stay for the winter. A band of Native Americans, meanwhile, find the pup, and the chief names him White Fang.
The film examines the mind of anthropologist Ethan Powell (Hopkins) who has been missing for a few years, living in the jungle with gorillas. He had been convicted of killing and injuring several supposed Wilderness Park Rangers in Africa, and is sent to prison. A bright young psychiatrist (Gooding) tries to find out why he killed them, but becomes entangled in a quest to learn the true history and nature of humankind. Eventually it is revealed that during the course of his stay with the gorillas, the animals accepted Powell as part of their group and that he was attempting to protect his gorilla family when the rangers arrived and started shooting them. He gets a hearing to reveal the truth, but an attack by a vicious guard causes Powell to stop talking again. At the end of the film, Powell escapes from prison, using a pen to dig out the lock on a window and heads back to Africa.
Alexandre Beck is a doctor who has slowly been putting his life back together after his wife Margot was murdered by a serial killer. Eight years on, Alex is doing well, until he finds himself implicated in a double homicide, which has plenty of evidence pointing to him as the killer – though he knows nothing of the crimes. The same day, Alex receives an email that appears to be from Margot, which includes a link to a surveillance video clip that features his late wife looking alive and well. The message warns Alex that they are both being watched. He struggles to stay one step ahead of the law, while henchmen intimidate Alex's friends into telling them whatever they might know about him – the henchmen eventually kill one of them, Charlotte. In the meantime, Alex's sister Anne persuades her well-off wife Hélène to hire a respected attorney, Élisabeth Feldman, to handle Alex's case.
A human girl opens her car's door and throws a toy to the walkside, making out to her cat. This one, realizing that he has been abandoned by her owner, looking for a refuge when a storm explodes, comes to an old house with fame of cursed in the neighborhood. Trying to escape from it, he is threaten by a white rabbit called Jack and a white mouse called Maggie, ordering him to leave the house before Zoltar's see him. Zoltar, an nice and old magician, finds the cat and he decides to adopt him, putting the name of Thunder after his fear to the storm.
The owners of Shadow the Golden Retriever (voiced by Ralph Waite), Sassy the Himalayan cat (Sally Field), and Chance the American Bulldog (Michael J. Fox) decide to take a family trip to Canada. At the San Francisco International Airport, the animals escape after Chance panics and breaks free from his carrier. After eluding airport authorities, the animals find themselves in the city of San Francisco, with home on the other side of the Golden Gate Bridge.
Astronauts Taylor (Charlton Heston), Landon (Robert Gunner), Dodge (Jeff Burton) and Stewart are in deep hibernation when their spaceship crashes in a lake on an unknown planet after a long near-light speed voyage, during which, due to time dilation, the crew ages only 18 months. As the ship sinks, Taylor finds Stewart dead and her body desiccated. They throw an inflatable raft from the ship and climb down into it; before departing the ship, Taylor notes that the date is November 25, AD 3978, approximately two millennia after their departure in 1972. Once ashore, Dodge performs a soil test and pronounces the soil incapable of sustaining life.