Yapool, an ancient interdimensional race of beings tries to conquer the Planet Earth with his army of monsters, called Terrible-Monsters. The newest member of the Ultra Brothers, Ultraman Ace, arrives on Earth to aid humanity in the battle against Yapool. Touched by the sacrifices of Seiji Hokuto and Yuko Minami, he revives them and grants them the Ultra Rings, which allows them to transform into Ultraman Ace in times of need.
Episode 1
Impressed by the sacrifices of Seiji Hokuto, & Yuko Minami by protecting the people during an attack of Verokron who was created by Dimension Man Yapool, The 5 Ultra Brothers gave the two humans lives, & send their new member Ultraman Ace to be their human host to fight off a age of new Monsters know as Chouju
Episode 2
An enormous silver colored egg is found at a construction site. With curiosity getting the best of him, a worker is absorbed into the huge egg shortly before it submerges below ground.
Episode 3
On patrol, Minami witnesses the sky crack open and a monster emerges. Destroying a bridge with a little boy on it, a passenger plane flies overhead and it, too, is destroyed.
Episode 4
No overview available.
Episode 5
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Episode 6
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Episode 7
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Episode 8
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Episode 9
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Episode 10
While walking around in the streets, Jiro spots Hideki Goh, although his caretaker doesn't believe him. Shortly after Jiro saw Goh, Zaigon emerges and attacks, trampling buildings.
Episode 11
No overview available.
Episode 12
No overview available.
Episode 13
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 Chouju Barabba to destroy the Earth Leaving TAC to battle the Chouju.
Episode 14
With the Ultra Brothers chained to crosses at Planet Golgota, and Ace defeated by Barabba, Yapool created Ace Killer to absorb, & steal the Ultra's Powers in a attempted to defeat Ace.
Episode 15
No overview available.
Episode 16
Yoshimura was given a holiday break by TAC and rides a train to Okayama.
Episode 17
No overview available.
Episode 18
Yapool obtains a boy's homing pigeon, Kajiro, and transforms it into his newest Choju creation, Black Pigeon.
Episode 19
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Episode 20
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Episode 21
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Episode 22
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Episode 23
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Episode 24
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Episode 25
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Episode 26
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Episode 27
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Episode 28
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Episode 29
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Episode 30
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Episode 31
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Episode 32
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Episode 33
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Episode 34
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Episode 35
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Episode 36
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Episode 37
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Episode 38
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Episode 39
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Episode 40
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Episode 41
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Episode 42
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Episode 43
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Episode 44
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Episode 45
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Episode 46
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Episode 47
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Episode 48
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Episode 49
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Episode 50
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Episode 51
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Episode 52
Yapool created his strongest choju called Jumbo King for the final attempt to kill Ultraman Ace, created by combining the souls of the deceased choju: Unitang, Cowra, Mazaron Man and Mazarius. Yapool (in the form of The Child of Alien Simon, and in the company of TAC) unleashed Jumbo King
