Season 1

April 7, 1972

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

April 14, 1972

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.

April 21, 1972

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.

April 28, 1972

May 5, 1972

May 12, 1972

May 19, 1972

May 26, 1972

June 2, 1972

June 9, 1972

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.

June 16, 1972

June 23, 1972

June 30, 1972

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.

July 7, 1972

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.

July 14, 1972

July 21, 1972

Yoshimura was given a holiday break by TAC and rides a train to Okayama.

July 28, 1972

August 4, 1972

Yapool obtains a boy's homing pigeon, Kajiro, and transforms it into his newest Choju creation, Black Pigeon.

August 11, 1972

August 18, 1972

August 25, 1972

September 1, 1972

September 8, 1972

September 15, 1972

September 22, 1972

September 29, 1972

October 6, 1972

October 13, 1972

October 20, 1972

October 27, 1972

November 3, 1972

November 10, 1972

November 17, 1972

November 24, 1972

December 1, 1972

December 8, 1972

December 15, 1972

December 22, 1972

December 29, 1972

January 5, 1973

January 12, 1973

January 19, 1973

January 26, 1973

February 2, 1973

February 9, 1973

February 16, 1973

February 23, 1973

March 2, 1973

March 9, 1973

March 16, 1973

March 23, 1973

March 30, 1973

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