Ultraman Cosmos

A mysterious Light Virus wipes out a city and infects Musashi's pet monster, Lidorias; a look at how Musashi saves it from destruction by the military forces.

Affected by the mysterious light called Chaos-Header, the monster Golmede appears.

Monster Spittle appears, targeting an aircraft; Musashi seeks to uncover why a docile monster went berserk.

An object falls from the sky; it's a toy robot made on a planet very similar to Earth, planet Bibin.

In Fubuki's hometown, firefly-like lights attack vehicles, erasing them one after another.

An earthquake strikes; monster Mogrudon, awakened by electromagnetic waves, causes the earthquake.

A young boy, Sousuke, discovers a meteorite that landed in the city and takes it home.

Ayano spots an aurora in the sky; suddenly overcome with drowsiness, she sleeps, dreaming of her past.

The young boy Yuichi sees the monster Yamawarawa; his father refuses to believe him.

After a bronze statue discovered is brought to EYES HQ, the members find themselves feeling less stress.

Summer break begins; but sparks fly when the EYES members learn they have to take breaks in sequence.

Eyes heads out at the appearance of a monster; the newborn monster, Ephemera, has a lifespan of only one day.

A girl named Lenny is being hunted by a mysterious space lifeform.

The defense force determines Lenny to be a danger; EYES is grounded after failing to capture monster Galbas.

Ocean Monster Jelga is driven mad by Chaos-Header; it attacks Musashi and Fubuki's Sea Diver during an inspection of an undersea shield and the two are trapped.

A giant flying whale suddenly appears in the city; it's part of a plot by Chaos-Header to use a young girl's heart to transform the whale into the mind parasite monster Jirak.

A new device, the EYES Attaché, is being developed at the SRC Research Facility; after contact is lost, Captain Hiura and Musashi head over to investigate; the facility is occupied by alternative dimensional being Ghighi.

In Mount Nibito, there is a legend that the souls of two lovers become a vengeful spirit.

An abandoned military satellite goes out of control and shoots down Migelon's spaceship; Ayano meets the mysterious young man, Reda, and is drawn to him, but things are not as they seem.

Musashi is summoned to the development staff for the space flight machine, the Tech Booster.

Planet Juran rarely appears; the research vessel sent to survey it suddenly disappears.

EYES lands on Juran where they are met with a massive attack from Chaos-Parastan.

Musashi and Fubuki are sent to infiltrate Hokuryo College and identify a strange signal coming from within; they discover the source is the Protean life form Gelworm.

Strange electromagnetic pulses electrify Ayano's hometown of Jinryu-shi.

An unidentified flying object is shot down by the Defense Force; asleep in the hibernation pod inside is a beautiful alien girl.

People in the city keep going missing then are found with amnesia; EYES, sensing the shadow of Chaos-Header behind this, begins investigating.

Space monster Zaranga suddenly arrives to give birth; it normally gives birth in the Earth's ocean, but Zaranga appears in the mountains instead.

The poison gas monster Eligal, which EYES previously failed to capture, appears; Musashi, intent on capturing it this time, ignores his teammates and forcefully approaches Eligal.

EYES fails to capture Eligal once again, but then Chaos-Eligal suddenly appears; Cosmos does his best to capture Eligal.

After his battle with Chaos-Header Mebut, Cosmos loses the energy of light and falls inert; Musashi, with the cooperation of his friends, shines a light on Cosmos to try to gather enough light.

Musashi is overjoyed to reunite with Clevergon; suddenly, Chaos-Header's light appears and Clevergon shields Musashi from it, causing him to grow and go wild.

It's decided that the experimental anti-monster tranquilizer, Dream Sleep, will be tested on a monster in the sanctuary, but Musashi objects, fearing the side effects.

Musashi and the others head out to capture a monster, but they're interrupted by Chief Nagare; as Nagare preaches the expulsion of monsters, Musashi vehemently protests.

A mysterious giant statue is discovered under the ocean; ancient ruin researcher Yukari discovers an ominous message inscribed on an unearthed stone tablet.

People are drawn by a meteorite to gather at a strange building; they're granted super-human abilities at the cost of losing their emotions.

Unable to contain its curiosity, Yamawarawa descends from its mountain to a village; it's bonding with the village children when the monster Mahagenom appears and attacks the village.

Underground monster Taildas appears for the first time in a year; the special missile Fubuki once fired at it remains stuck in its back; wracked with guilt, Fubuki leaves EYES.

The Chaos-Chimera is loaded into the Tech Booster, but, right before it's sent out to the gathering point, the Chaos-Infected Eligal appears; Musashi and Fubuki rush to save Eligal.

Chaos-Header, the being that has been driving monsters wild, focuses on Musashi at last; he manages to avoid danger thanks to Cosmos' power, but Chaos-Header mutates into Chaos-Ultraman.

After defeating Cosmos with its overwhelming power, Chaos-Ultraman plots to Chaos-Infect all the monsters in the sanctuary. 

Fubuki heads to investigate a mysterious flying object when he is reunited with the occult-loving girl, Kasumi. She claims she saw mysterious individuals fighting in the woods. 

A message from an alien boy, Sol, asking for help stopping a monster driven wild by Chaos-Header reaches young Shunji by satellite.

Someone conducts modification surgery on monsters, which die after their bodies refuse it; led by a shadow man, Musashi finds himself in a twilight town that seems both real and dreamlike.

Once again, the alternative dimensional being Ghighi begins plotting a new invasion in secret; however, the pacifist Ghighi Doctor, who appears through a dimensional transporter, wishes for a peaceful solution.

A legendary fairy, Mugera, is said to live in amusement parks; young Koudai lives in an amusement park that's going to shut down, and he worries about Mugera; a mysterious flying object takes position in the sky above the amusement park.

Alien Kyulia suddenly appears in a peaceful village. But he is a good alien who has been sacrificing himself to protect the villagers for centuries. 

Ai Misaki, Fubuki's former colleague who disappeared during a flight exercise, returns for the first time in three years; behind her return lurks an alien who seeks to invade Earth.

The evil alien Waroga appears and declares war, and the Defense Force and Team EYES engage him; Musashi is heavily wounded before being able to turn into Cosmos.

Soon after Musashi and his friends spot Snow Stars, the monster Alukela appears; Alukela runs wild for a while, then ceases activity.

A rare lizard is being smuggled by the crooked broker Yamai; however, it's actually the larva of a type of monster called vadata.

Monster Mazalgas, which can consume Chaos-Header and neutralize it, appear; with the arrival of their potential savior, Musashi and his companions are in high spirits.

Space Monster Zagel suddenly appears; during the commotion, Musashi spots a girl who has been left behind and goes to help her; the girl steals his Cosmo Pluck.

Monster Arados, a monster with the ability to stop time, appears; as Musashi and his companions seek to protect the weakened Arados, Alien Noir appears before them.

Monster Tablis suddenly appears in town; Tablis is a kind monster that once risked itself to save a girl in a wheelchair.

The alien girl who infiltrated the Kaburaya Islands turns the harmless monster Mienin into the bioweapon Gamoran.

A young camper is attacked in a quiet mountain village; EYES is contacted and begins interviewing the villagers, but they are all acting suspicious, as if the entire village is hiding something.

Grualfan is said to live within a card with a picture of a door on it; Akatsuki believes this strange tale to be fiction, but he comes to learn it is actually true.

Although Space Lifeform GiriBanes are thought to have abandoned their plot to invade Earth, one returns; it turns out to be Giragas, a fugitive that was banished by its race.

At last, Chaos-Header begins a full-on assault. Chaos-Ultraman returns from the depths of hell. EYES resists, but has no hope against such overwhelming power. 

With the appearance of the new enemy, Chaos-Ultraman Calamity, Cosmos is wounded; however, Musashi's spirit boosts the other members' morale, and they set out to incubate Chaos-Chimera, an enzyme to stop Calamity.

The Defense Force secretly recovers and upgrades Hellzking, the invasion machine that Cosmos once defeated; the Defense Force attempts to use Hellzking as an anti-Chaos-Header weapon.

The Chaos-Chimera is complete and the EYES members are in high spirits; Cosmos also readies his resolve to sacrifice himself to save Earth.

The Chaos-Chimera is loaded into the Tech Booster, but right before it's sent, Chaos-Infected Eligal appears.

Treasure Base is taken over by Chaos-Header and monsters disappear from the Kaburaya Islands; Cosmos heads to the moon for a final confrontation.

Having spent all his energy in the battle with Chaos-Darkness, Cosmos has disappeared; in this hopeless situation, the monsters seem to plead something to Chaos-Darkness.