After the mysterious failure of the Discovery One mission to Jupiter in 2001, which resulted in the deaths of four astronauts and the disappearance of David Bowman, the fiasco was blamed on Dr. Heywood Floyd, who resigned his position as head of the National Council for Astronautics. While an international dispute causes tensions between the United States and the Soviet Union, both nations prepare space missions to determine what happened to the Discovery. Although the Soviet ship, the Leonov, will be ready before the American spacecraft Discovery Two, the Soviets need American astronauts to help board the Discovery and investigate the malfunction of the ship's sentient computer, HAL 9000, which caused the disaster. The US government agrees to a joint mission when it is determined that Discovery will crash into Jupiter's moon Io before Discovery Two is ready. Floyd, along with Discovery designer Walter Curnow and HAL 9000's creator Dr. Chandra, joins the Soviet mission.
En 1944, alors que la guerre du Pacifique fait rage, deux pilotes s'écrasent sur une île inconnue. L'un est Américain, l'autre est Japonais. Alors qu'ils s'affrontent sur place, ils sont brusquement interrompus par une gigantesque créature.
Felix is a hungry cat in the city, looking for food remnants in a trash bin. Finding nothing inside, he heads toward a nearby apartment building. To his amazement, he finds roast chicken hanging next to an upper window. To reach it, he sneaks into a musician's tuba which then propels him upward. Felix gets his hands on the meat, only to have himself grabbed and thrown back down by a resident.
In 1999, 45 years after Godzilla's first attack, Lieutenant Akane Yashiro, a mazer-cannon technician, is unable to kill a new member of Godzilla's species during her first fight. She is made a scapegoat for the military's losses during the battle and transferred to a desk job. During the battle, it was discovered that Godzilla is immune to mazer fire, rendering all of the Japanese military useless against it should it return. Scientists, including single father Tokumitsu Yuhara, are gathered to build a bio-mechanical robot from the original Godzilla's skeleton. Four years later, the cyborg Mechagodzilla, named Kiryu, is finished and inducted into the Japan Self-Defense Forces along with its human pilots as the Kiryu Squadron. Akane becomes the main pilot for Kiryu. However, memories of Akane's actions during the original fight still linger, and one of her squadron mates, Second Lieutenant Susumu Hayama holds her responsible for the death of his brother.
Gamera self-destructed to destroy several Gyaos in 1973, the tale picks up thirty three years later, when the son of one of the survivors of that incident finds an unusual egg, from which a baby turtle hatches. The boy, Toru, raises the creature, quickly realizing it as remarkable in that it hovers and breathes fire. The creature quickly outgrows the house, is relocated by Toru and his friends to maintain secrecy, and then disappears.
Far north of the Arctic Circle, a nuclear bomb test, dubbed "Operation Experiment", is conducted. Prophetically, right after the blast, physicist Thomas Nesbitt (Paul Christian) muses, "What the cumulative effects of all these atomic explosions and tests will be, only time will tell." No sooner said, the explosion awakens a 30-foot (10 m) tall, 100-foot (30 m) long carnivorous animal known as Rhedosaurus, thawing it out of the ice where it had been held in suspended animation. Nesbitt is the only witness to the beast's awakening and is later dismissed out-of-hand as being delirious at the time of his "sighting". Despite the skepticism he persists, knowing what he saw.
En Europe, durant la période du Paléolithique supérieur, le jeune Keda tente de retrouver sa tribu qui le croit mort après une chute lors de la chasse au bison des steppes. Durant son voyage, il va se lier avec un loup blessé, qu'il nommera plus tard Alpha.
Several years after the events of the original series, Fred and Wilma's marriage is in serious jeopardy, as Wilma is growing tired of Fred's attitude, especially while Barney and Betty are enjoying a happy life well into their marriage, to the point that a visit to a family therapist results in a physical altercation between Fred and Wilma. On Fred and Wilma's anniversary, which they both forgot, the Rubbles arrange a trip to Rockapulco in an attempt to save the Flintstones' marriage.
Sid, the Sloth, takes a school of children out on a camping trip from home, only to find that he is not a very good guide and the children are bored. In a cameo appearance, Scrat has swallowed his acorn and is struggling to keep it down. He coughs it up and it is stolen from him. The camping trip leaves some of the children somewhat traumatized. Sid tries to pick a flower, but somehow this has led to a tree falling, which then hits a rock, which causes a chain reaction and hits a series of larger rocks, until eventually hitting a large iceberg. The iceberg then carves out a u-shaped valley, which Sid later names the Grand Canyon. Afterwards the kids get so annoyed with Sid that it ends with them tying him up. Many years later on present day, it shows a father and son beaver looking over the Grand Canyon with the son asking who made it. The father replies "Nature or a being with infinite wisdom.
In the aftermath of Godzilla's attack on Tokyo and his later imprisonment at Mt. Mihara. a team of scientists discovers cells left in the rubble by the monster and collects them. A group of American militants takes a sample of their own. They attempt to escape with them, but are killed by a lone assassin codenamed SSS9, who steals the sample and departs. He boards a cruise liner and heads to the Republic of Saradia to deliver the cells to the Saradia Institute of Technology and Science. The president of the institute wants to use the cells to merge with genetically modified plants, hoping to transform Saradia's deserts to vast greenery and end the country's dependence on oil wells for wealth. Dr. Genshiro Shiragami and his daughter, Erika, are enlisted to aid with the ambitious project. However, a terrorist bombing destroys the institute's laboratory, ruining the cells and killing Erika.
In 1992, the United Nations establishes the United Nations Godzilla Countermeasures Center (UNGCC) to stop Godzilla. The remains of Mecha-King Ghidorah are salvaged from the ocean and used to create two anti-Godzilla machines. The first is a flying gunship called Garuda. The second and more powerful machine, modeled after Godzilla itself, is called Mechagodzilla.
An expedition to an irradiated island brings civilization in contact with a primitive native culture. When one sensationalist entrepreneur tries to exploit the islanders, their ancient deity arises in retaliation.
Police Detective Shindo (Yosuke Natsuki) is assigned to guard Princess Selina Salno of Selgina (Akiko Wakabayashi) during the Princess' visit to Japan, due to a suspected assassination plot. Although Shindo is smitten with Selina's photograph, her plane never makes it to Japan, as it is destroyed by a bomb en route. At exactly the same time a meteorite shower draws the attention of Professor Murai (Hiroshi Koizumi), who along with his team of scientists strikes out into the wilderness to examine the largest of the meteors, which has magnetic properties.