No. 6 Of The Ultra Brothers
Kotaro Higashi trained to be a boxer, but after an icident with Astromons, he was killed. However, his body was brought to Nebula M-78 where Mother of Ultra saved his life by joining him with Ultraman Taro. Taro had spent many years training, honing his skills based on those of the other Ultra Brothers to become strong. The two returned to earth as a new kaiju era was beginning.

Like the Sun, Mother of Ultra (Episode 1)
Air date: 1973-04-06
Runtime: 24 min
Overview: A tiny flower from space called Tigris Flower whose seed had arrived on Earth over a hundred years ago.

At That Moment the Mother of Ultra Wa (Episode 2)
Air date: 1973-04-13
Runtime: 24 min

The Mother of Ultra Always (Episode 3)
Air date: 1973-04-20
Runtime: 24 min

Big Sea Turtle Monsters Attack Tokyo! (Episode 4)
Air date: 1973-04-27
Runtime: 24 min

Parent Star, Child Star, First Star (Episode 5)
Air date: 1973-05-04
Runtime: 24 min

Jewels are the Monster's Fodder! (Episode 6)
Air date: 1973-05-11
Runtime: 24 min

Heaven and Hell Island Has Moved! (Episode 7)
Air date: 1973-05-18
Runtime: 24 min

Dead Spirits of the Man-Eating Marsh (Episode 8)
Air date: 1973-05-25
Runtime: 24 min

The Day That Tokyo Crumbles (Episode 9)
Air date: 1973-06-01
Runtime: 24 min

The Fang Cross is a Monster's Grave! (Episode 10)
Air date: 1973-06-08
Runtime: 24 min

The Blood-Sucking Flower is Young Girl's Spirit (Episode 11)
Air date: 1973-06-15
Runtime: 24 min

Monster's Solo Journey (Episode 12)
Air date: 1973-06-22
Runtime: 24 min

The Monster's Cavity Hurts! (Episode 13)
Air date: 1973-06-29
Runtime: 24 min

Taro's Head Got Chopped Off! (Episode 14)
Air date: 1973-07-06
Runtime: 24 min

Young Girl of the Blue Will-o-the-Wisp (Episode 15)
Air date: 1973-07-13
Runtime: 24 min

The Monster's Flute Sounds (Episode 16)
Air date: 1973-07-20
Runtime: 24 min

Two Big Monsters Close in on Taro! (Episode 17)
Air date: 1973-07-27
Runtime: 24 min

Taro Died! Zoffy Died Too! (Episode 18)
Air date: 1973-08-03
Runtime: 24 min

The Ultra Mother Miracle of Love! (Episode 19)
Air date: 1973-08-10
Runtime: 24 min

A Monster Came Raining Down (Episode 20)
Air date: 1973-08-17
Runtime: 24 min

Tokyo Newtown Sinking (Episode 21)
Air date: 1973-08-24
Runtime: 24 min

The Wrath of a Child-Carrying Monster! (Episode 22)
Air date: 1973-08-31
Runtime: 24 min

Gentle Daddy Monster! (Episode 23)
Air date: 1973-09-07
Runtime: 24 min

This is the Land of Ultra! (Episode 24)
Air date: 1973-09-14
Runtime: 24 min

Burn on! The Six Ultra Brothers (Episode 25)
Air date: 1973-09-21
Runtime: 24 min

I Can Conquer Monsters Too! (Episode 26)
Air date: 1973-09-28
Runtime: 24 min

He's Out! It's Mephiras-seijin! (Episode 27)
Air date: 1973-10-05
Runtime: 24 min

Monster Eleking Barks at the Full Moon! (Episode 28)
Air date: 1973-10-12
Runtime: 24 min

Bemstar Resurrected! Taro Absolutely Expires! (Episode 29)
Air date: 1973-10-19
Runtime: 24 min

The Monster Army (Episode 30)
Air date: 1973-10-26
Runtime: 24 min

Danger! Lying Poison Mushroom (Episode 31)
Air date: 1973-11-02
Runtime: 24 min

A Nipping Wind Monster! (Episode 32)
Air date: 1973-11-09
Runtime: 24 min

Five Seconds Before the Great Explosion of the Land of Ultra! (Episode 33)
Air date: 1973-11-16
Runtime: 24 min

The Last Day of the Six Ultra Brothers! (Episode 34)
Air date: 1973-11-23
Runtime: 24 min

Certain Kill! Taro's One Blow of Rage! (Episode 35)
Air date: 1973-11-30
Runtime: 24 min

Coward! The Bride Cried (Episode 36)
Air date: 1973-12-07
Runtime: 24 min

Monster, Return to Your Homeland! (Episode 37)
Air date: 1973-12-14
Runtime: 24 min

The Ultra Christmas Tree (Episode 38)
Air date: 1973-12-21
Runtime: 24 min

Ultra Father and Son Big Mochi-Making Strategy (Episode 39)
Air date: 1973-12-28
Runtime: 24 min

Go Beyond the Ultra Brothers! (Episode 40)
Air date: 1974-01-04
Runtime: 24 min

Mother's Wish - A Mid-Winter Cherry-Blossom Blizzard (Episode 41)
Air date: 1974-01-11
Runtime: 24 min

The Phantom Mother is a Monster User! (Episode 42)
Air date: 1974-01-18
Runtime: 24 min

Pickle the Monster with Salt! (Episode 43)
Air date: 1974-01-25
Runtime: 24 min

Oh! Taro is Being Eaten! (Episode 44)
Air date: 1974-02-01
Runtime: 24 min

She Was Wearing Red Shoes... (Episode 45)
Air date: 1974-02-08
Runtime: 24 min

The White Rabbit is a Bad Guy! (Episode 46)
Air date: 1974-02-15
Runtime: 24 min

The Monster Master (Episode 47)
Air date: 1974-02-22
Runtime: 24 min

Monster Girl's Festival (Episode 48)
Air date: 1974-03-01
Runtime: 24 min

Sing! Monster Big Match (Episode 49)
Air date: 1974-03-08
Runtime: 24 min

The Monster Sign is V (Episode 50)
Air date: 1974-03-15
Runtime: 24 min

The Ultra Father and the Bride Have Come (Episode 51)
Air date: 1974-03-22
Runtime: 24 min

Steal the Ultra Life! (Episode 52)
Air date: 1974-03-29
Runtime: 24 min

Farewell, Taro and Mother of Ultra! (Episode 53)
Air date: 1974-04-05
Runtime: 24 min