A young man becomes the giant hero Ultraman Orb, a warrior of light, to battle monsters and aliens threatening Earth using the powers of his many predecessor guardians.
Episode 1
The Something Search People are a group of paranormal investigators always on the hunt for the latest scoop. When a series of deadly tornado begin to ravage Tokyo, eyewitness reports of a giant flying creature become the target of their latest investigation. But even if they do manage to track the beast down, who will save them from it?
Episode 2
Buildings are sinking into the ground, and the Something Search People are trying to figure out what's going on. Meanwhile, Gai runs into an old enemy underground.
Episode 3
What do you do when water from every imaginable source begins to smell rancid? The Something Search People start looking for answers, while Gai wrestles with the cause.
Episode 4
A strange gigantic fireball mysteriously appeared on the sky and emits an intense heatwave to the city. Gai transforms into Orb and tries to relocate the fireball out from the Earth's atmosphere but the heatwave is more than Orb can handle. Even with the VTL Squad attacks, the fireball shows no movements until it revealed itself as a monster.
Episode 5
Naomi gets a call from a civilian who claims to be chasing an alien. After following her, it turns out be a trap and the civilian was an Alien Zetton in disguise, who calls himself Maddock.
Episode 6
The SSP hears that there was a UFO sighting at a forest, that supposedly no one ever escapes from and is also haunted by a ghost.
Episode 7
A woman has prophetic dreams of the monsters that Ultraman Orb fights and always dreams of the one that will appear the next day.
Episode 8
All the fish in the area are sold out and the SSP speculate there is a creature eating all of the fish. Meanwhile, a man hides two Ragon in his shop and protects them from the public.
Episode 9
Don Nostra of the Planet Invasion Union sends Alien Babarue to earth, with the plan the humans' trust by disguising as Ultraman Orb and destroying buildings, but their plan is ruined when a monster interrupts them, making the Fake Orb defeat the monster, and things go more arwy as Jetta finds him and thinks he is Orb's secret identity.
Episode 10
n exchange for Don Nostra's prized possession, the rare Ultraman Belial card, Juggler makes his last offer to defeat Ultraman Orb. However, he double-crosses Juggler and sends Alien Nackle to kill him.
Episode 11
Naomi asks Gai to accompany her to meet her mother, but their meeting is ruined when Juggler is revealed to be alive and explains his new plan, now that he possesses all the King Demon Beasts' Kaiju Card and the Ultraman Belial's Ultra Fusion Card.
Episode 12
With Ultraman Orb defeated, and his cards stolen, Maga-Orochi rages through the city, destroying everything. With the help of the Princess Tamaruya, Gai gets two new cards he can use, the Zoffy card and the Ultraman Belial card, but will Gai really use the power of the dark card to win?
Episode 13
The SSP clean up their office and talk about their previous adventures and encounters with Ultraman Orb and the various monsters and aliens.
Episode 14
The SSP help out a group of workers who are working on springs that are used to build the VTL's machinery, when suddenly an enormous robotic dragon appears from a portal in the sky. The SSP name it Galactron. It awakens and brings mass destruction, claiming that its purpose is for justice for the Earth.
Episode 15
Gai is unable to stop Galactron and save Naomi. In order to finally stop Galactron's rampage, he makes the decision to use Thunder Breastar again, but at what cost?
Episode 16
Gai feels guilty for almost killng Naomi, and his confidence as a Ultra warrior is ruined. Juggler, taking advantage of this, creates an even stronger threat. Gai cannot win without Thunder Breastar's power, but will he really use its dark power again?
Episode 17
Ultraman Orb can't keep up with Zeppandon, even with the use of Thunder Breastar, but Naomi has given Gai new hope and the courage to believe in himself, returning his orignal form, Orb Origin!
Episode 18
Shibukawa Ittetsu hasn't been doing too well with his daughter because of work, so the SSP and his daughter decide to secretly follow him around during work hours to check on what he's been doing recently.
Episode 19
While Naomi was attending a bachelorrette party, she finds out one of her old friends is getting married to the heir of Toto Hotels. This incident sparks jelousy within her and causes the vengeful spirit Renki to appear.
Episode 20
The last member of the Planet Invasion Union, Alien Metron Tarude, has set his sights on Jugglus Juggler to take his revenge for the murder of Don Nostra and Nagus.
Episode 21
Another Hyper Zetton Deathscythe shows up coinciding with the appearance of a strange girl wearing a blue ribbon. What can possibly this mean?
Episode 22
The Black Star Cafe, unmarked on any maps, serves wonderful coffee. When the SSP take a visit, they soon learn that the owner and its regular customers aren't human.
Episode 23
Juggler finally decides to end his rivalry with Gai, but not in a peaceful way.
Episode 24
The Ultimate King Devil Beast Strikes Back
Episode 25
Magata no Orochi is finally defeated with the power of light, darkness and friendship. Gai takes his leave as he goes off on another adventure.
