Synopsis: The Terrestrial Defense Force forms a Science Guard Party in order to investigate the cause of mysterious phenomena that continue to happen around the world. Choichiro Hikari, chosen for the Science Guard, is on his way back from Space Station EGG3 when he encounters a mysterious red light. Inside the light he merges with a superman who calls himself "Ultraman" but Hikari tells himself that the experience is just a dream, and continues towards Earth.
Kaiju: Seagra
2. The Secret of the Shining Pendant
Synopsis: A giant tornado appears that targets power plants and sucks energy out of them. Mutsumi goes to investigate with Marume and determines that the tornado is actually a monster, but the Bardy they're riding gets engulfed by the tornado. Hikari transforms into Joneus, and rushes into the tornado.
Kaiju: Spiral
3. When the Weed Whistle Blows in the Evening
Synopsis: A monster Wanigodon, appears in the city and Marume takes it down singlehandedly. However, some of the monster's cells go flying and can't be found. These cells multiply at a rapid rate and within 25 hours could grow into a giant monster. Around this time, a small creature that looks like a baby crocodile is picked up by young Takashi who takes care of it like a pet, but it transforms into a giant monster...
Kaiju: Wanigodon
4. Chase of the Mysterious Red Cloud
Synopsis: A strange red cloud appears, and the Science Guard Party goes to it in Super Murdock. They try to condense the cloud into water, but the cloud counterattacks as if it had a will of its own. Tobe tests a piece of the cloud he has managed to gather and determines that it is not simply a cloud, but a lifeform. It begins to rain, and the red cloud transforms into a monster and begins a rampage.
Kaiju: Red Smogy
5. The Passenger! Break through the Underground
Synopsis: A mysterious incident happens where several thousand trees disappear from the forest in a single night. Henry Nishiki, a Science Guard Party member who has come to Japan from the Africa Zone begins investigating. They burrow underground in Passerger and reach an underground cave where they find Toughgilas, a monster that eats trees.
Kaiju: Tough Gillan, Tough Gillas, Tough Gillaco and Tough Gillao
6. Challenge to the Burning Deep Sea
Synopsis: As people evacuate from a tsunami caused by an earthquake in the Pacific Ocean, a mysterious flying object appears and rains down fire. Mutsumi guesses that it could be the work of a monster that roamed the earth several hundred million years ago. Immediately afterwards, Lava Monster Firebadon appears along with an explosion from an undersea volcano.
Kaiju: Fire Badon
7. Order to Attack! The Objective Is Pigu!
Synopsis: The Science Guard Party analyzer, a robot named Pigu, picks up a danger signal of unclear origins, but is unable to detect anything strange. Pigs is assumed to have broken, and a new robot is assigned to Pigu's job, and Pigu flies off. When Hikari and Mutsumi chase after him, they find Electronic Monster Combugon.
Kaiju: Robot No.101, Combugon
8. Officer Hikari's Secret Has Been Stolen!?
Synopsis: Hikari encounters monster Mikonos while investigating an unidentified flying object, then transforms into Joneus and drives it away. Later, a TV station receives some film that was shot of the battle. The rest of the film depicts "Ultraman's Secret." Hikari tracks down the man who delivered the film, and it turns out to be a trap set by Space Ninja Alien Baltan.
Kaiju: Alien Baltan, Mikonos
9. Terror of the Awakened Ancient Creature
Synopsis: Investigators visit ancient ruins on Tamara Island, and spot Monster Dolfiego in an underground cavern. Of the group, three people are brainwashed by Dolfiego and then begin firing mysterious rays and destroying things. The Science Guard Party arrives on the scene, but Dolfiego, speaking through the three, demands that they leave.
Kaiju: Dolfiego
10. I Saw It! The Illusion of a Monster...
Synopsis: A famous magician, George Satake, tries to teleport himself from the Xalome Desert to Japan. However, what appears in the special venue in Tokyo is the translucent figure of Monster Xalome. Shortly after, Xalome fully materializes in a residential area. Hikari transforms into Joneus, shrinks himself down to micro-size, and flies inside Xalome!
Kaiju: Xalome
11. The Science Guard Party's Challenge!
Synopsis: Former Earth Self-Defense Force technician, Ogawara, uses the giant Bulldozer Weapon Hectole he has developed to dig into the earth in the Himalayas, and exterminate monsters. However, a Liquid Monster enters Hectole and transforms into Machine Monster Hectole, who goes on a rampage.
Kaiju: Liquid Monster, Hectore
12. The Curious Conversation Between Monster and Pigu
Synopsis: Two tankers are caught in a storm and disappear. The Science Guard Party take the case, and discover three monster attacking the tankers. Pig analyzes the calls of the three Monster Opt brothers that live under a single shell, and attempts to communicate with the youngest monster brother, San.
Kaiju: Opt
13. The Sad Legend of the Revived Lake
Synopsis: At Lake Ryujin in Tohoku, an incident breaks out where people and fish are being turned into stone. Kinoshita, a resident of the lake area who knows about a legend of a dragon, holds a Ryujin Festival to try to calm the dragon. The Science Guard Party discovers Monster Garadoras when it reacts to the sound of the festival drumming and comes up from the bottom of the lake. Garadoras is drawn out by the sound of the TV News helicopter rotors and emerges on the surface of the lake!
Kaiju: Garadoras
14. The Star's Devil Has Come!
Synopsis: An unidentified celestial body approaches Earth, and emits radiation that makes reptiles violent. The Earth Self-Defense Force attacks it with a missile, but the attack fails due to the appearance of Monster Zyclone on the asteroid. Joneus flies to space to take on Zyclone.
Kaiju: Asteroid Creature, Xyclon, Gellon, Gadon
15. You Are Ultraman
Synopsis: Marume complains that Hikari is never around at the most important moments. Monster Goglan comes out of an egg that was brought into the plant research institute. Hikari chooses to fight it with his own abilities and doesn't transform into Ultraman, but Marume is injured during the battle.
Kaiju: Goglan
Synopsis: The Science Guard Party gets a report that an island has sunk at Point 3167, and as they head toward the location, they receive word that a luxury ship, the Safran-maru has captured a strange bird while at sea, and they visit the ship. When the ship's doctor gives the strange bird an electric shock, it transforms into a giant monster bird King More and takes Mutsumi away!
Kaiju: King Moa
Synopsis: Tobe, who had been observing a strange typhoon using Beatamy, discovers Prof. Nishiki's helicopter which has crashed in the desert. After saving the professor, Tobe continues to follow the typhoon, but Beatamy is attacked by a swarm of locusts.
Kaiju: Badan
18. The Mysterious Monster Island
Synopsis: A sea serpent emerges at South Uki Island, the hometown of Yuriko, who works in a coffee shop on the Earth Self-Defense Force Far East Zone Base. Yuriko, who lies and tells her father living in her hometown that she has joined the Science Guard Party, goes to South Uki Island instead of Mutsumi, along with Hikari, Tobe, and Marume.
Kaiju: Islanda
19. This is the Ultra Star! Part 1
Synopsis: Joneus struggles with monster popping up in countries around the world. He makes a last-ditch effort and manages to defeat Guerad, but Janur appears afresh. Joneus has no more energy and runs away, but a monster shows up in the United States and he fights it. However, without enough energy, his strength fails him Hikari ends up losing his life as well. A giant disk comes, takes Hikari's dead body, and flies away.
Kaiju: Spirit Parasite, Gerada, Janyur, Bedran
20. This is the Ultra Star! Part 2
Synopsis: Hikari is brought to Ultra Planet U40 where he is resuscitated back to life. Hikari meets Joneus' sister Amia as well as Elek, Loto and other Ultra People, but Joneus has used up all his energy on Earth and is unable to recover from being separated from Hikari. Meanwhile, war breaks out between U40 and the Badel Tribe.
Kaiju: Bader Group
21. This is the Ultra Star! Part 3
Synopsis: The Badel Tribe manipulates the legendary Monster Bagon from Dark Nebula and attacks U40. Hikari and Amia go to fight the Badel Tribe, but their fighter jet is shot down, and although Hikari escapes, Amia is taken captive. Hikari merges once again with the revived Joneus and goes back to fight.
Kaiju: Bader Group, Bagon, Janyur III
22. The South Sea's Suspicious Space
Synopsis: The Science Guard Party are spending their vacation in Marume's hometown. There are frequent occurrences of ships sinking, so Marume and Tobe go to investigate, but Marume goes missing. Marume wakes up in a ship's graveyard and hears a strange voice. It is the voice of Monster Sarmoth who has fallen from another dimension.
Kaiju: Zaanmoth
23. The Supersonic Confrontation
Synopsis: Mysterious flying objects are attacking passenger planes and industrial complexes. Hikari's former classmate Aoki from the Far East Zone Air Defense Force cooperates with the Science Guard Party but Aoki's rivalry with Hikari who worked for EGG 3 disrupts their teamwork and the attack fails.
Kaiju: Zanba
Synopsis: A mysterious flying object appears in the Southern Alps. The Princess of Alpha Centuri's first planet copies Mutsumi when she goes to investigate in Bardy, and infiltrates the Science Guard Party. The princess, who was the target of an assassination attempt from the fifth planet, has fled to Earth.
Kaiju: Dragodos
Synopsis: Incidents begin to happen where men go missing whenever a yellow wind blows through the African desert. The Science Guard Party travels to the desert in Super Murdock. There, Hikari disappears into the yellow wind as though possessed by something.
Kaiju: Death Balan
Synopsis: A strange phenomenon of water spraying out of the sea is happening around the world. As a result of Pig's analysis, it is determined that it is a message from the earth itself to humanity, asking it to leave. Is it possible to fight the earth? The Science Guard Party are overcome with anxiety.
Kaiju: Gibaaroga
27. The Flying Monster Island!
Synopsis: The Ultra Planet U40 detects the approach of the Space Demon Alien Baladon. The Great Sage dispatches Elek, Loto, and five Ultra warriors, but the Alien Baladon's spaceship goes into warp and disappears. The Great Sage sends a warning written in Ultra script to Joneus on Earth.
Kaiju: Alien Baladon, Arstron, Ghostron, Banila, Aboras, Gokinezura, Red King
Synopsis: The Science Guard Party captures a monster that appeared in a coastal industrial area just as the newly assigned Captain Gondow arrives in front of them. The members rebel against the captain's incomprehensible orders, and decide to act on their own, however, the captured monster revives and even more new monster appear...
Kaiju: Dabaran
29. The Devil's UFO's Large Invasion
Synopsis: Invading Alien Jadan sends out countless UFOs. The Space Self-Defense Unit goes out to fight them off, but the alien succeeds in invading Earth. The Science Guard Party shoots down the UFOs, but Jadan possesses a human, infiltrates the Far East Zone base and destroys the system before changing into Monster Jagon.
Kaiju: Alien Jadan/Jagon
30. The Enormous Fossil Has Come to Life
Synopsis: The bones of a giant creature are excavated from ruins in Okutama, Tokyo, and restoration work is in progress at the museum. However, the bones turn into Monster Skeledon, who destroys the museum and heads towards the town. The Science Guard Party heads out in Super Murdock to get rid of the poison gas-blowing Skeledon!
Kaiju: Skeldon
Synopsis: Joneus' sister Amia heads toward Earth by herself to meet Hikari. In order to get close to Hikari, who has no memory of U40, she borrows the body of an earthling woman, Kyoko, and is able to meet him. Hikari is attracted to Kyoko without knowing her true identity, and the two spend some dreamy moments together, but suddenly Space Star Beast Galbados appears in front of the two!
Kaiju: Garbados
Synopsis: Alien Babilar sends Robot Monster Megasaura, to Earth as part of his invasion plan. Megazaura breaks apart when it enters Earth's atmosphere, and Alien Babilar secretly collects the pieces, but Professor Henry Nishiki gets one and heads off to the Science Guard Party.
Kaiju: Alien Babilar, Megasaura
33. Go! Magma's Desperate Sphere
Synopsis: Underwater volcanoes explode in the Pacific Ocean, followed by changes in the earth's crust in various locations. The Science Guard Party goes to Maroi Island to find the cause, and take off in the new prototype subterranean tank, Passerger 3. The mollusks they find on the bottom of the ocean merge together to form Monster Gamiba!
Kaiju: Gamiba
34. The Monster Accommodation Star Has Been Stolen (Part 1)
Synopsis: The Space Pirate Imbedians pillage the Monster Containment Planet Prison created by the Ultrapeople of U40, and attempt to invade the earth. Joneus fights off the Space Monster Goadlian that has come to invade Earth from Prison, but the Imbedians send several more monster to Earth.
Kaiju: Goadarion, Inbedian, Plazoon, Jinario, Groteng, Agujon, Deathpower, Zuma, Gurol
35. The Monster Accommodation Star Has Been Stolen (Part 2)
Synopsis: Joneus uses up all his energy fighting the monster sent by the Imbedians, and Hikari also gets injured. Meanwhile, Mutsumi loses consciousness from an enemy attack that occurred while intercepting the monster army. The monster army continues its fierce attack and it starts to look dicey, but Elek and Roto come from U40 to assist on Earth!
Kaiju: Inbedian, Plazoon, Jinario, Groteng, Agujon, Putgolia, Iddunus
36. The Snow Woman Has Come From Space
Synopsis: Hikari and Mutsumi go together with the Far East Zone Weather Observation Team to investigate the cause of an abnormal cold front in the Southern Alps. The two go out in a blizzard to investigate witness reports from villagers of a snow woman with a wolf and they take off on a snowmobile in the direction of the sound of a wolf howling, but they are attacked by Monster Darantulas.
Kaiju: Darantulas, Noa (Alien Cygnus 82)
37. Ultra Star U40's Crisis! Ultria's Mystery?
Synopsis: When Hikari senses an anomaly related to Planet U40, at this moment, Amia, who is being pursued, once again arrives on Earth. Through Amia's intelligence, Hikari learns that Heller, who once gave up Ultra Transformation to obtain immortality, has now taken control of Planet U40!
Kaiju: Heller Empire, Heller's Soldiers, Gumons
38. Giant Ultra War! Huge Warship Ultria's Sortie
Synopsis: In the depths of Antarctica, Ultria awakens from its slumber. Empowered with new abilities, the Science Guard Party launches a counterattack against the Heller Legion!
Kaiju: Heller Empire, Heller's Soldiers, Gumons
39. Aim at Huge Warship Ultria
Synopsis: Earth has acquired a new battleship named Ultria. However, Roygar, who established a frontline base on Titan, sent a space monster to Earth to measure the power of Ultria.
Kaiju: Hell Cat
40. The Boy Who Took a Monster
Synopsis: A mysterious monster is wreaking havoc in the city, prompting the Science Guard Party to mobilize to stop it. However, they discover a boy joyfully watching the monster destroy the city. This young boy, Federico, harbors an unusual hostility towards Earthlings. The reason for this is...
Kaiju: Orolan
41. Clash! Ultraman vs. Ultraman
Synopsis: After a monster appears, another Ultraman arrives earlier than the Science Guard Party and successfully repels the monster. Hikari originally believed that the Ultraman might be Elek or Loto, but to his surprise, the warrior turned out to be Joneus!?
Kaiju: Gilos, Imit-Ultraman Joneus, Alien Gilo
42. Ultraman's Strategy to Living
Synopsis: Due to the sighting of a moving island in the sea just below the equator, the Science Guard Party decided to conduct an investigation. However, during the investigation, team member Mutsumi became involved in an accident and encountered the captain of a massive battleship: the space hunter Hatari.
Kaiju: Hatari
Synopsis: A mysterious unmanned spacecraft is recovered and transported to the Far East Zone Base. However, the true identity of this unmanned spacecraft is a matter transmission device, and the Heller Empire attempts to use it to transport monsters...
Kaiju: Dostony
44. Ultria Was Broken In Two?!
Synopsis: Monsters are coming from the far reaches of the universe, sent to various parts of the Earth via rockets. To break the defensive situation, Ultria heads to Space Point X, believed to be the launch site of the rockets
Kaiju: Alien Scien, Spader, Caperadon
Synopsis: The transport aircraft carrying the Earth Defense Forces Far East Zone 201 unit, which had been missing for several hours, has returned to the base. Tobe, suspicious of the condition of the team members, begins to inquire, but...
Kaiju: Golding
46. Revive Mutsumi
Synopsis: During Gedon's fierce attack, Mutsumi is heavily injured, prompting Hikari to transform into Jonias and join the battle. However, Marume who was unaware of the situation, accused Hikari of fleeing after the fact, putting Mutsumi in danger
Kaiju: Gedon, Heller's Soldiers
47. To The Ultra Star! Part 1: The Female Warrior's Information
Synopsis: The fleet of the Heller Empire launched from the Titan Base is attacking various parts of the world. Earth is facing a massive crisis once again. Amia, who has arrived from Planet U40, proposes that Ultria and the Ultra Fleet join forces to attack the Titan Base. However, the Earth Defense Army choose to sever ties with U40 and pursue their own interests.
Kaiju: Heller Empire, Heller's Soldiers
48. To The Ultra Star! Part 2: The Frontline Base's Destruction
Synopsis: To prepare for a comprehensive attack, Hikari and Amia are getting ready to infiltrate the Titan Base. On the other hand, member Marume harboring suspicions about Hikari's actions, secretly tail the two...
Kaiju: Heller Empire, Heller's Soldiers, Hella Umaya
49. To The Ultra Star! Part 3: U (Ultra) Fleet's Large Fierce Battle
Synopsis: The Ultria, under the control of the Science Guard Party, has successfully arrived at Planet U40 and united with the Ultra Fleet. Simultaneously, Hera takes Amia and the Great Sage hostage in an effort to lure Joneus. Is Joneus the sole individual capable of resolving this crisis?
Kaiju: Heller Empire, Heller's Soldiers, Panther
50. To The Ultra Star! Conclusion: Towards Peace and Victory
Synopsis: The Great Sage was atomized by Heller, but in space, Joneus, who had separated from Hikari, was seen battling the Heller fleet. The Science Guard Party united once again to confront the Heller Army. While destroying the control room of the defense tower, Hikari was caught in an explosion and fell. Just then, Joneus flew in and merged with Hikari once more!
Kaiju: Heller Empire, Heller's Soldiers, Mac Datar