On a lake field trip, the young Toru, along with his little sister Kaoru, who lost his father to the alien Tsuruk, finds it difficult to enjoy being on a picnic in the company of others whose parents are able to be with them.
A mischievous alien falls out of his bed onto Earth where he befriends a group of kids. He shows off his monster, Renbolar, only for one of the kids to pull off his tail that was controlling it, causing it go on a rampage. Can Ultraman Leo stop it until it's master's tail grows back?
When their planet is ruined by giant rebellious robots, an alien and her grandfather escape to Earth only to be hunted down by them. Luckily, Leo steps in to help.
An alien narrowly escapes death from a group of villagers with the help of a former sea captain. However, the tables turn when the aliens begin to attack the village and matters get even worse when they fuse onto a giant kaiju.
When a boy and his father pull out a gigantic needle that was stuck in a monster's foot, she repays them by working at their shop while the father's injured. While there, she makes special pinwheels out of her feathers. Unfortunately, these attract the vicious Alien Magma, the very alien that destroyed Leo's home planet, who is determined to kill Rolan after she refuses to marry him. This time, Leo can't let him get away!
Ultraman Jack arrives on Earth to take Seven's Ultra Eye back to the Land of Light for repairs. However, an evil alien gets in his way and it's all-out melee. Leo and Jack fighting together and to top it all off, a new Capsule monster is introduced.
A bratty kid saves an alien from being entrapped in a pot for skipping Monster school on the condition that he does his homework for him. However, this ends up humiliating him when all the answers are wrong. He then tells the little monster to destroy the school which gets him MAC's bad side. Later, MAC find him and chase him until hs grows giant. All he wants to do is go home. Will he ever?
An astronaut, thought to be dead, comes back to Earth from the deadly Planet Atlanta. However, he is secretly an Alien Atlanta. Leo knows he must defeat it but the alien's lover would be devastated. Can he do it?
Kaoru Umeda is kidnapped by Specter under the disguise of her mum. When Gen tries to save Kaoru, she sends Alien Mazaras to Earth. He must defeat them both!
The evil Alien Barabou disguises himself as Leo's younger brother to retrieve the Ultra Key, meaning the Land of Light and Earth will collide. When "Astra" arrives on Earth, he tells Leo that the Ultra brothers are after him. Will Leo see through his disguise? What will be the fate of the 2 planets?
Tooru and some friends try to attract a flying saucer. Unwittingly, they draw the attention of Black Dome, which had been summoned to earth by Commander Black.
The saucer monster Deemos has been called down to earth by Black Directive, and begins killing the inhabitants of Gen's town. What can the ultra do in this situation?
A new powerful saucer creature has been summoned to earth. Two brothers have an encounter with it, but the police refuse to believe a monster is behind their accident.
Black Terrina arrives on earth, scattering pretty shells down upon Japan. Little to the humans know the evil will behind the pretty objects as they collect them.
