1x2 - Beyond the Giant Choju

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.

1x3 - Burn! Choju Hell

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.

1x4 - 30,000 Year Choju Appears

April 28, 1972

1x5 - Giant Ant Chouju vs. Ultra Brothers

May 5, 1972

1x6 - Pursue the Mystery of the Transformation Chouju

May 12, 1972

1x7 - Kaiju vs. Choju vs. Alien

May 19, 1972

1x8 - Life of the Sun, Life of Ace

May 26, 1972

1x9 - 10,000 Choju! Surprise Attack Plan

June 2, 1972

1x10 - Decisive Battle! Ace vs. Hideki Goh

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.

1x11 - The Choju is Ten Women?

June 16, 1972

1x12 - The Red Flower of Cactus Hell

June 23, 1972

1x13 - Execution! The Five Ultra Brothers

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.

1x14 - The Five Stars that Scattered Throughout the Galaxy

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.

1x15 - Curse of the Black Crab

July 14, 1972

1x16 - Ghost Story! Cow God Man

July 21, 1972

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

1x17 - Ghost Story! The She-Devil of Firefly Field

July 28, 1972

1x18 - Lend Me the Pigeon

August 4, 1972

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

1x19 - Mystery of the Kappa's Residence

August 11, 1972

1x20 - The Star of Youth, the Star of a Couple

August 18, 1972

1x21 - I Saw the Phantom of a Heavenly Woman

August 25, 1972

1x22 - Yapool, Demon of Revenge

September 1, 1972

1x23 - Reversal! Zoffy Now Arrives

September 8, 1972

1x24 - Look! A Giant Transformation in the Middle of the Night

September 15, 1972

1x25 - The Pyramid Is a Choju's Nest!

September 22, 1972

1x26 - Total Annihilation! The Five Ultra Brothers

September 29, 1972

1x27 - Miracle! The Father of Ultra

October 6, 1972

1x28 - Farewell Yuko, Sister of the Moon

October 13, 1972

1x29 - The Sixth Ultra Brother

October 20, 1972

1x30 - The Ultra Star That Even You Can See

October 27, 1972

1x31 - From Seven to the Hand of Ace

November 3, 1972

1x32 - With a Prayer upon the Ultra Star

November 10, 1972

1x33 - Shoot That Hot-Air Balloon

November 17, 1972

1x34 - A Choju Dances on a Sea of Rainbow

November 24, 1972

1x35 - A Gift from Zoffy

December 1, 1972

1x36 - This Choju has 10,000 Phones?

December 8, 1972

1x37 - The Star of Friendship Forever

December 15, 1972

1x38 - Resurrection! The Father of Ultra

December 22, 1972

1x39 - The Life of Seven! The Life of Ace!

December 29, 1972

1x40 - Give Back the Panda!

January 5, 1973

1x41 - Ghost Story! Lion Drum

January 12, 1973

1x42 - Mystery! The Resurrection of the Monster Woo

January 19, 1973

1x43 - Ghost Story! The Cry of the Abominable Snowman

January 26, 1973

1x44 - Setsubun Ghost Story! The Shining Bean

February 2, 1973

1x45 - Big Pinch! Save Ace!

February 9, 1973

1x46 - Ride Beyond the Time Machine

February 16, 1973

1x47 - Curse of the Salamander

February 23, 1973

1x48 - The Revenge of Verokron

March 2, 1973

1x49 - The Flying Jellyfish

March 9, 1973

1x50 - Mass Chaos in Tokyo! Traffic Signals Gone Haywire

March 16, 1973

1x51 - Life-Sucking Sound

March 23, 1973