While walking around in the streets, Jiro spots Hideki Go, although his caretaker doesn't believe him. Shortly after Jiro saw Go, Zaigon emerges and attacks, trampling buildings.
Ultraman Ace helps defeat the Cactus Terrible-Monster, Sabotendar, but unbeknownst to him, the being transforms into a regular cactus and goes to hide at the stall of a cactus seller.
Ace, and the four Ultra Brothers were sent to Planet Golgota by a fake Ultra Sign, where there were crosses prepared for them while Yapool summons his new Choju Baraba to destroy the Earth. Leaving TAC to battle the Choju.
With the Ultra Brothers chained to crosses on Planet Golgotha, and Ace defeated by Baraba, Yapool created Ace Killer to absorb and steal the Ultra's powers in an attempt to kill Ace.
As a boy named Yumeiji mourns his father's death by the ocean, he sees a fisherman get pulled into the water by a spiny tentacle.
Yoshimura discovers a strange phenomena while on holiday.
TAC investigates a series of car accidents that have happened at a bypass at 2am, with their only clues being a pair of skeletons.
Yapool obtains a boy's homing pigeon, Kajiro, and transforms it into his newest Choju creation, Black Pigeon.
A boy named Yasuo sees a Chouju near the pool of his neighbors, the Haruyamas, but as he is notorious for telling tales, no one believes him.
While on patrol, Seiji sees what looks like a lardée passenger ship flying.
After having a dream of a beautiful woman in a rainbow sky, Captain Ryu wakes up to find a woman at his door begging for a job.
A seemingly innocuous meteor crashes to Earth, carrying the invader Space Mask, who disguises himself as a human.
A strange old man leads the children to a beach with a song. After they chant and dance, they vanish. Seiji sees the event, but when he runs to investigate, he ends up in a strange vision of freezing snow and winds before being attacked by the strange old man (this time with a weird mask) and falling down a cliff.
A boy named Kenta receives a sparkling red rock from his father. The rock resembles one of the shattered pieces of the dead Yapool.
Seiji and Yuko go to investigate an elementary school where several children have collapsed due to strange red smoke. While there, they witness a giant pyramid rise from the ground in a cloud and help save a number of kids, including a mysterious woman named Michiru.
An extraordinary large alien, Hipporit, appears on Earth, wreaking havoc and demanding that humanity hand over Ultraman Ace.
After defeating the Ultra Brothers, Alien Hipporit demands that humanity surrender control of the Earth and become slaves to his race.
Yuko Minami reveals through flashbacks that she is a princess from an ancient lunar civilization that had been destroyed by Yapool and one of his many Choju, named Lunaticks.
TAC sends members to investigate the sighting of the terrible-monster, Gitagitanga, but when they arrive there is nothing left but the smell of alcohol.
TAC evacuated and closes off a neighborhood when a strange black cloud appears overhead, but Seiji lets an ambulance that is passing through to a hospital.
After a black comet appears in the sky, a little girl named Mio sneaks into the TAC base to ask for Seiji's help. She leads him to a zoo to meet a man named Bakuyama who claims he can talk to to tapirs.
TAC radars pick up a UFO in their airspace, but when Seiji flies too close he hears a strange noise and becomes dizzy and disoriented. The other planes shoot down the UFO, but Seiji is grounded until he completes a flight test.
While playing Ultraman Ace and the sixth Ultra Brother, Dan and his friend Daisuke find a hot-air balloon that is giving the children rides.
While investigating a series of vanished ships, Seiji spots a boy floating in the ocean and rescues him.
A boy named Yukio has a dream about the monster Dreamgillas and wakes up to a wet bed with a strange stain in the shape of the monster.
A mysterious Chouju appears in flashes before disappearing, often near a rowdy biker gang that terrorizes their neighborhood.
Seiji runs into an old friend, an inventor named Kashima who is working to make a car that can travel at Mach speeds.
Seiji, Dan, and Kayoko go Christmas shopping for presents to bring to an orphanage run by Kayoko's friend, Yukari.
When a young boy falls from the stairway of an apartment building, Seiji and another man saves him. The other man turns out to be Dan and Kayoko's uncle Saburo, who gives them souvenirs from his time abroad.
Seiji encounters a man who has been stealing panda stuffed animals. He gives chase in the TAC Panther and notices that the thief is running at 60 km/h, much faster than a human could. He loses the thief in the warehouse district, but when he reports the incident to TAC, the others laugh at the idea of an alien stealing panda toys.
Dan and his friends play hide and seek on shrine grounds. While playing, Dan and Shinta found an old lion mask and drum, and the kids decide to play at being Chouju.
A girl named Koyuki and her father are hiking in the snowy mountains on their way to visit Koyuki's grandfather when the Chouju, Iceron, appears and attacks.
Seiji, Dan, and Kayoko are at a ski slope when a sudden blizzard blows in, trapping them inside a rundown shelter with the other skaters. One man claims to have spotted a yeti outside, and when the storm blows past and they go outside there are strange footprints. Seiji contacts TAC, but there's no sign of a Chouju in the area.
Seiji and a high school martial artist, Ichiro, go to a preschool to teach the children about Setsubun and throw beans together. Ichiro spots an unusual red bean and, figuring it must be lucky, eats it.
The Satellite Jupiter 2 mysteriously goes missing, promoting both TAC and amateur telescope enthusiast Yutaka to search for it.
While fruitlessly chasing a terrible-monster that keeps appearing and disappearing, the TAC Space goes missing, taking Mikawa and Yoshimura with it.
TAC goes to investigate when a small mountain village is attacked by the salamander Chouju, Hanzagiran. During their investigation, they find a young girl named Sayuri who lives in a cave with her grandfather and keeps a pet salamander.
While on patrol in the TAC Space, Seiji has a vision of Verokron returning to take revenge.
A spaceship comes to Earth hidden in a cloud and sends a being named Aquarius down to see whether Earth would make a good colony or not. TAC sends a team in the TAC Falcon to investigate, finding a giant jellyfish Chouju waiting that crashes their ship.
While on patrol on the TAC Panther, Seiji and Yamanaka get into an accident with a woman who also claims that her light was green. They soon find out that traffic lights all over the city are going haywire, causing mass chaos.
A young boy Haruno is forced to abandon his baseball hobby to go to violin practice so that he can take after his father, who was a violinist before his death. Haruno is not talented, however, and runs away from the practice he hates. He tries to destroy his violin, but when it pops open, the violin is struck by a mysterious lightning.
When Yapool summons the souls of the deceased Chouju Unitang, Cowra, Mazaron Man and Mazarius, and fuses them into Jumbo King, Ace must face the real ultimate challenge.