A drifter named Kotaro Higashi is asked to join ZAT (Zariba of All Territory) but when he is "killed" in battle the Five Ultra Brothers bring him to Nebula M-78 where he is turned into Ultraman Taro.
The ZAT members must rescue Kotaro from the belly of the Terrible Monster and it may take the aid of the Mother of Ultra to finally defeat the laughing creature.
Attacks by a giant red light have been occurring near a so-called man-eating marsh. ZAT thinks there's a secret to the marsh and launches the Subterrene Pellumidar 2. As Kotaro and Kitajima dig underground aboard the Pellumidar 2, they find the monster Tondaile.
Drilling for a hot spring awakens a particularly nasty kaiju who eats the man operating the drill site and it's up to ZAT to help the son of the supposedly eaten man.
Abnormal earthquakes occurred at a new housing development in the village the Shiratori siblings were visiting. The two meet a boy of the village, Ryosuke. He says that the Jizo, the guardian god of the hill, was angry at the new development construction for destroying the mountain. Soon, the sealed monster Enmargo appears and goes rampant!
An angry mob hunts a little girl who is accused of being the daughter of the legendary Nine-Tail Fox and claim that she is responsible for the recent fires plaguing the village.
Kotaro visits the earthquake laboratory where the father of Kenichi's best friend Takeshi works. Takeshi takes home Kotaro's watermelon gift, but the larva of Leaf-Eating Monster Kemgila appears. Ultraman Taro stands up to the now gigantic Kemgila, but Volcano Bird Monster Birdon flies over to feed on it!
Kotaro and the Shiratori siblings visit a guesthouse in Shinshu region. The guesthouse owner's wife, Osugi, had amnesia for the past two months from the shock of losing her only son to an illness. That night, the child of the monster, Flying Raidron, crashes onto Earth in the middle of the fireworks show. As Ultraman Taro attacks the monster, Osugi tells him...
A new apartment complex has wiped out the cicadas natural habitat which results in the emergence of a giant cicada that goes on a rampage when it is not left alone.
Ultraman Taro journeys to the Land of the Light to find some way to relieve the Earth from the cloud of Darkness that the space monster Mururoa has caused.
A killer plant is preying on young children by giving them a rare disease while disguised as a vending machine and it's up to ZAT to beat the menace and obtain the cure.
The dreaded Yapool has returned and unleashed the Space Monster Bemstar in his latest attempt at conquering the Earth and ZAT struggles to find a weapon that will stop him.
A lonely latchkey kid is tricked into helping the monster Mushra, soon he and all the people in his apartment complex have been turned into mushroom people and are enslaved.
"Five Seconds Until the Big Explosion of the Land of Ultra!" - Alien Temperor, who plans to destroy the land of Ultra, was preparing to attack. However when he finds out the 5 Ultra Brothers are going to Earth to visit Ultraman Taro, battle on Earth ensues!
The ZAT members must discover the connection between a brave little girl and a hit and run alien before Kotaro's latest trip to the hospital becomes his last.
ZAT tries to determine if a recently arrived space monster is a bad kaiju or a friendly one but their investigations are hindered when Moriyama is possessed by an evil alien that has its own agenda.
A kaiju created from the best parts of monsters previously defeated by the Ultra Brothers now makes its way to Earth and while Kotaro obliviously teaches a kid to ride his bike the Ultra Brothers are beaten one after another.
A boy finds an egg that contains a veggie loving space monster but after feeding it a lot of vegetables it grows to an enormous size and becomes a real pickle of a problem.
An alien ogre has a diabolical plan to get a little boy to eat Ultraman Taro, which somehow involves shrinking Kotaro and placing him and the little boy's brother inside a bean.
An alien impersonates a childhood sweetheart of Kitajima's, who had been abducted when they were both young, and its plan is to destroy the ZAT base as an opening salvo towards invasion.
A new and very talented transfer student earns some jealousy from his fellow classmates but when he kills kaiju larva and rushes to battle the mother the stakes are raised.
A young boy meets a group of alien musicians who need his help with an alien drunkard, who even while drunk has serious ninja skills. Could a drunk dance-off with Ultraman Taro could be the answer?
A nurse who wants to become a flight attendant has her dreams put on hold when a kaiju threatens a nearby nursing home, so she challenges the monster to a volleyball match.
